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CVE-2025-20350 Cisco Desk Phone 9800 Series, IP Phone 7800 and 8800 Series, and Video Phone 8875 with SIP Firmware Denial of Service Vulnerability

🗓️ 15 Oct 2025 16:15:10Reported by ciscoType 
cvelist
 cvelist
🔗 www.cve.org👁 7 Views

Unauthenticated remote DoS via buffer overflow in Cisco desk phone web UI processing HTTP input; requires registration to Unified Communications Manager and Web Access enabled.

Related
Affected
Refs
[
  {
    "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"
  }
]

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