Lucene search
K
Catalog
Vendors
Products
Timeline
Vulnerabilities
Sources
Documentation
Blog
Glossary
FAQ
Brand assets
Assessment
Agents dashboard
Agent Scanning
API Scanning
Assessment API
Alerts
Email notifications
Webhook notifications
Alerts API
SBOM package analysis
API Reference
Support
Settings
Sign in

CVE-2025-20335

🗓️ 03 Sep 2025 17:41:06Reported by ciscoType 
cve
 cve🔗 web.nvd.nist.gov👁 12 Views

CVE-2025-20335 enables unauthenticated file writes on Cisco phones due to directory permissions.

Related
Detection
Affected
Refs
ReporterTitlePublishedViews
Family
Circl		CVE-2025-20335
4 Sep 202507:00
–circl
Cisco		Cisco Desk Phone 9800 Series, IP Phone 7800 and 8800 Series, and Video Phone 8875 with SIP Software Vulnerabilities
3 Sep 202516:00
–cisco
Tenable Nessus		Cisco Desk/IP/Video Phone Multiple Vulnerabilities (cisco-sa-phone-write-g3kcC5Df)
12 Sep 202500:00
–nessus
CNNVD		Cisco多款产品 访问控制错误漏洞
3 Sep 202500:00
–cnnvd
Cvelist		CVE-2025-20335 Cisco Desk Phone 9800 Series, IP Phone 7800 and 8800 Series, and Video Phone 8875 with SIP Firmware Information Arbitrary File Write Vulnerability
3 Sep 202517:41
–cvelist
EUVD		EUVD-2025-26614
5 Jan 202615:32
–euvd
NVD		CVE-2025-20335
3 Sep 202518:15
–nvd
OSV		CVE-2025-20335
3 Sep 202518:15
–osv
Positive Technologies		PT-2025-35813
3 Sep 202500:00
–ptsecurity
RedhatCVE		CVE-2025-20335
5 Sep 202518:18
–redhatcve
Rows per page
NVD
Node
ciscodesk_phone_9841_firmwareRange3.0(1)–3.3(1)
AND
ciscodesk_phone_9841Match-
Node
ciscodesk_phone_9851_firmwareRange3.0(1)–3.3(1)
AND
ciscodesk_phone_9851Match-
Node
ciscodesk_phone_9861_firmwareRange3.0(1)–3.3(1)
AND
ciscodesk_phone_9861Match-
Node
ciscodesk_phone_9871_firmwareRange3.0(1)–3.3(1)
AND
ciscodesk_phone_9871Match-
Node
ciscoip_phone_7811_firmwareRange<14.3(1)
OR
ciscoip_phone_7811_firmwareMatch14.3(1)-
OR
ciscoip_phone_7811_firmwareMatch14.3(1)sr1
AND
ciscoip_phone_7811Match-
Node
ciscoip_phone_7821_firmwareRange<14.3(1)
OR
ciscoip_phone_7821_firmwareMatch14.3(1)-
OR
ciscoip_phone_7821_firmwareMatch14.3(1)sr1
AND
ciscoip_phone_7821Match-
Node
ciscoip_phone_7841_firmwareRange<14.3(1)
OR
ciscoip_phone_7841_firmwareMatch14.3(1)-
OR
ciscoip_phone_7841_firmwareMatch14.3(1)sr1
AND
ciscoip_phone_7841Match-
Node
ciscoip_phone_7861_firmwareRange<14.3(1)
OR
ciscoip_phone_7861_firmwareMatch14.3(1)-
OR
ciscoip_phone_7861_firmwareMatch14.3(1)sr1
AND
ciscoip_phone_7861Match-
Node
ciscoip_phone_8811_firmwareRange<14.3(1)
OR
ciscoip_phone_8811_firmwareMatch14.3(1)-
OR
ciscoip_phone_8811_firmwareMatch14.3(1)sr1
AND
ciscoip_phone_8811Match-
Node
ciscoip_phone_8841_firmwareRange<14.3(1)
OR
ciscoip_phone_8841_firmwareMatch14.3(1)-
OR
ciscoip_phone_8841_firmwareMatch14.3(1)sr1
AND
ciscoip_phone_8841Match-
Node
ciscoip_phone_8845_firmwareRange<14.3(1)
OR
ciscoip_phone_8845_firmwareMatch14.3(1)-
OR
ciscoip_phone_8845_firmwareMatch14.3(1)sr1
AND
ciscoip_phone_8845Match-
Node
ciscoip_phone_8851_firmwareRange<14.3(1)
OR
ciscoip_phone_8851_firmwareMatch14.3(1)-
OR
ciscoip_phone_8851_firmwareMatch14.3(1)sr1
AND
ciscoip_phone_8851Match-
Node
ciscoip_phone_8851nr_firmwareRange<14.3(1)
OR
ciscoip_phone_8851nr_firmwareMatch14.3(1)-
OR
ciscoip_phone_8851nr_firmwareMatch14.3(1)sr1
AND
ciscoip_phone_8851nrMatch-
Node
ciscoip_phone_8861_firmwareRange<14.3(1)
OR
ciscoip_phone_8861_firmwareMatch14.3(1)-
OR
ciscoip_phone_8861_firmwareMatch14.3(1)sr1
AND
ciscoip_phone_8861Match-
Node
ciscoip_phone_8865_firmwareRange<14.3(1)
OR
ciscoip_phone_8865_firmwareMatch14.3(1)-
OR
ciscoip_phone_8865_firmwareMatch14.3(1)sr1
AND
ciscoip_phone_8865Match-
Node
ciscovideo_phone_8875_firmwareRange<2.3(1)
OR
ciscovideo_phone_8875_firmwareRange3.0(1)–3.3(1)
OR
ciscovideo_phone_8875_firmwareMatch2.3(1)-
OR
ciscovideo_phone_8875_firmwareMatch2.3(1)sr1
AND
ciscovideo_phone_8875Match-
Node
ciscoip_phone_8821_firmwareRange<11.0(6)
OR
ciscoip_phone_8821_firmwareMatch11.0(6)-
OR
ciscoip_phone_8821_firmwareMatch11.0(6)sr1
OR
ciscoip_phone_8821_firmwareMatch11.0(6)sr2
OR
ciscoip_phone_8821_firmwareMatch11.0(6)sr4
OR
ciscoip_phone_8821_firmwareMatch11.0(6)sr5
OR
ciscoip_phone_8821_firmwareMatch11.0(6)sr6
AND
ciscoip_phone_8821Match-
[
  {
    "vendor": "Cisco",
    "product": "Cisco Session Initiation Protocol (SIP) Software",
    "versions": [
      {
        "version": "12.1(1)SR1",
        "status": "affected"
      },
      {
        "version": "11.5(1)",
        "status": "affected"
      },
      {
        "version": "10.3(2)",
        "status": "affected"
      },
      {
        "version": "10.2(2)",
        "status": "affected"
      },
      {
        "version": "10.3(1)",
        "status": "affected"
      },
      {
        "version": "10.3(1)SR4",
        "status": "affected"
      },
      {
        "version": "11.0(1)",
        "status": "affected"
      },
      {
        "version": "10.4(1)SR2 3rd Party",
        "status": "affected"
      },
      {
        "version": "11.7(1)",
        "status": "affected"
      },
      {
        "version": "12.1(1)",
        "status": "affected"
      },
      {
        "version": "11.0(0.7) MPP",
        "status": "affected"
      },
      {
        "version": "9.3(4) 3rd Party",
        "status": "affected"
      },
      {
        "version": "12.5(1)SR2",
        "status": "affected"
      },
      {
        "version": "10.2(1)SR1",
        "status": "affected"
      },
      {
        "version": "9.3(4)SR3 3rd Party",
        "status": "affected"
      },
      {
        "version": "10.2(1)",
        "status": "affected"
      },
      {
        "version": "12.5(1)",
        "status": "affected"
      },
      {
        "version": "10.3(1)SR2",
        "status": "affected"
      },
      {
        "version": "11-0-1MSR1-1",
        "status": "affected"
      },
      {
        "version": "10.4(1) 3rd Party",
        "status": "affected"
      },
      {
        "version": "12.5(1)SR1",
        "status": "affected"
      },
      {
        "version": "11.5(1)SR1",
        "status": "affected"
      },
      {
        "version": "10.1(1)SR2",
        "status": "affected"
      },
      {
        "version": "12.0(1)SR2",
        "status": "affected"
      },
      {
        "version": "12.6(1)",
        "status": "affected"
      },
      {
        "version": "10.3(1.11) 3rd Party",
        "status": "affected"
      },
      {
        "version": "12.0(1)",
        "status": "affected"
      },
      {
        "version": "12.0(1)SR1",
        "status": "affected"
      },
      {
        "version": "9.3(3)",
        "status": "affected"
      },
      {
        "version": "12.5(1)SR3",
        "status": "affected"
      },
      {
        "version": "10.3(1)SR4b",
        "status": "affected"
      },
      {
        "version": "9.3(4)SR1 3rd Party",
        "status": "affected"
      },
      {
        "version": "10.3(1)SR5",
        "status": "affected"
      },
      {
        "version": "10.1(1.9)",
        "status": "affected"
      },
      {
        "version": "10.3(1.9) 3rd Party",
        "status": "affected"
      },
      {
        "version": "9.3(4)SR2 3rd Party",
        "status": "affected"
      },
      {
        "version": "10.3(1)SR1",
        "status": "affected"
      },
      {
        "version": "10.3(1)SR3",
        "status": "affected"
      },
      {
        "version": "10.1(1)SR1",
        "status": "affected"
      },
      {
        "version": "12.0(1)SR3",
        "status": "affected"
      },
      {
        "version": "12.6(1)SR1",
        "status": "affected"
      },
      {
        "version": "12.7(1)",
        "status": "affected"
      },
      {
        "version": "10.3(1)SR6",
        "status": "affected"
      },
      {
        "version": "12.8(1)",
        "status": "affected"
      },
      {
        "version": "12.7(1)SR1",
        "status": "affected"
      },
      {
        "version": "11.0(2)SR1",
        "status": "affected"
      },
      {
        "version": "11.0(4)",
        "status": "affected"
      },
      {
        "version": "11.0(2)",
        "status": "affected"
      },
      {
        "version": "11.0(4)SR3",
        "status": "affected"
      },
      {
        "version": "11.0(5)",
        "status": "affected"
      },
      {
        "version": "11.0(3)SR2",
        "status": "affected"
      },
      {
        "version": "11.0(3)SR4",
        "status": "affected"
      },
      {
        "version": "11.0(3)SR3",
        "status": "affected"
      },
      {
        "version": "11.0(2)SR2",
        "status": "affected"
      },
      {
        "version": "11.0(4)SR1",
        "status": "affected"
      },
      {
        "version": "11.0(5)SR3",
        "status": "affected"
      },
      {
        "version": "11.0(3)",
        "status": "affected"
      },
      {
        "version": "11.0(5)SR2",
        "status": "affected"
      },
      {
        "version": "11.0(3)SR6",
        "status": "affected"
      },
      {
        "version": "11.0(5)SR1",
        "status": "affected"
      },
      {
        "version": "11.0(4)SR2",
        "status": "affected"
      },
      {
        "version": "11.0(3)SR1",
        "status": "affected"
      },
      {
        "version": "11.0(3)SR5",
        "status": "affected"
      },
      {
        "version": "11.0(6)",
        "status": "affected"
      },
      {
        "version": "12.8(1)SR1",
        "status": "affected"
      },
      {
        "version": "12.8(1)SR2",
        "status": "affected"
      },
      {
        "version": "14.0(1)",
        "status": "affected"
      },
      {
        "version": "14.0(1)SR1",
        "status": "affected"
      },
      {
        "version": "11.0(6)SR1",
        "status": "affected"
      },
      {
        "version": "10.3(1)SR7",
        "status": "affected"
      },
      {
        "version": "14.0(1)SR2",
        "status": "affected"
      },
      {
        "version": "14.1(1)",
        "status": "affected"
      },
      {
        "version": "14.0(1)SR3",
        "status": "affected"
      },
      {
        "version": "11.0(6)SR2",
        "status": "affected"
      },
      {
        "version": "14.1(1)SR1",
        "status": "affected"
      },
      {
        "version": "14.1(1)SR2",
        "status": "affected"
      },
      {
        "version": "11.0(6)SR4",
        "status": "affected"
      },
      {
        "version": "14.2(1)",
        "status": "affected"
      },
      {
        "version": "14.2(1)SR1",
        "status": "affected"
      },
      {
        "version": "11.0(6)SR5",
        "status": "affected"
      },
      {
        "version": "14.1(1)SR3",
        "status": "affected"
      },
      {
        "version": "14.2(1)SR2",
        "status": "affected"
      },
      {
        "version": "3.1(1)",
        "status": "affected"
      },
      {
        "version": "3.0(1)",
        "status": "affected"
      },
      {
        "version": "2.3(1)",
        "status": "affected"
      },
      {
        "version": "2.3(1)SR1",
        "status": "affected"
      },
      {
        "version": "2.2(1)",
        "status": "affected"
      },
      {
        "version": "2.1(1)",
        "status": "affected"
      },
      {
        "version": "2.0(1)",
        "status": "affected"
      },
      {
        "version": "14.2(1)SR3",
        "status": "affected"
      },
      {
        "version": "3.1(1)SR1",
        "status": "affected"
      },
      {
        "version": "14.3(1)",
        "status": "affected"
      },
      {
        "version": "3.2(1)",
        "status": "affected"
      },
      {
        "version": "14.3(1)SR1",
        "status": "affected"
      },
      {
        "version": "14.2(1)SR4",
        "status": "affected"
      },
      {
        "version": "11.0(6)SR6",
        "status": "affected"
      }
    ],
    "defaultStatus": "unknown"
  }
]

Data

Build on a solid foundation with Vulners data

We provide the essential building blocks for cybersecurity solutions with comprehensive, structured, and constantly updated vulnerability and exploits data

Api

Power your application with Vulners API

The Vulners REST API offers reliable, high-performance access to vulnerability intelligence, with 99.9% SLA uptime and CDN-backed data delivery for seamless global access

App

Assess and manage vulnerabilities with Vulners tools

Built on top of Vulners' database and SDK, end-user solutions give security professionals and developers lightweight and powerful tools for vulnerability remediation

Book a live demo
05 Jan 2026 14:49Current
6.7Medium risk
Vulners AI Score6.7
CVSS 3.15.3
EPSS0.00049
SSVC
CWE-284
unauthenticated accessarbitrary file writedirectory permissionsCisco phonesremote exploit
12