CVE-2026-20182

Cisco Catalyst SD-WAN Controller (vSmart) and SD-WAN Manager (vManage) are affected by CVE-2026-20182, a critical authentication bypass in the DTLS vdaemon challenge flow. The issue permits a remote, unauthenticated attacker to masquerade as a trusted peer by sending a CHALLENGE_ACK with device t...

Ongoing exploitation of Cisco Catalyst SD-WAN vulnerabilities

Cisco Talos is tracking the active exploitation of CVE-2026-20182, an authentication bypass vulnerability in Cisco Catalyst SD-WAN Controller, formerly SD-WAN vSmart, and Cisco Catalyst SD-WAN Manager, formerly SD-WAN vManage. Successful exploitation of CVE-2026-20182 allows an unauthenticated,...

Cisco Catalyst SD-WAN Controller Authentication Bypass Vulnerability

May 2026: This security advisory provides the details and fix information for a vulnerability that was discovered and fixed after the Cisco Catalyst SD-WAN Controller Authentication Bypass Vulnerability...

CVE-2026-20182: Critical authentication bypass in Cisco Catalyst SD-WAN Controller (FIXED)

Overview While researching a critical authentication bypass vulnerability, CVE-2026-20127, which was exploited in-the-wild, Rapid7 Labs discovered a new authentication bypass vulnerability affecting Cisco Catalyst SD-WAN Controller formerly known as vSmart, CVE-2026-20182. This new authentication...

Cisco Catalyst SD-WAN Manager Vulnerabilities

Multiple vulnerabilities in Cisco Catalyst SD-WAN Manager, formerly SD-WAN vManage, could allow a remote attacker to gain access to sensitive information, elevate privileges, or gain unauthorized access to the application. For more information about these vulnerabilities, see the Details "details...

CISA Adds One Known Exploited Vulnerability to Catalog

CISA has added one new vulnerability to its Known Exploited Vulnerabilities KEV Catalog, based on evidence of active exploitation. CVE-2026-20182link is external Cisco Catalyst SD-WAN Controller Authentication Bypass Vulnerability This type of vulnerability is a frequent attack vector for malicio...

Cisco Catalyst SD-WAN Manager 输入验证错误漏洞

Cisco Catalyst SD-WAN Manager is a highly customizable dashboard provided by the American company Cisco. It simplifies and automates the deployment, configuration, management, and operation of Cisco SD-WAN. There is an input validation vulnerability in Cisco Catalyst SD-WAN Manager, which stems...

VulnCheck KEV: CVE-2026-20182

May 2026: This security advisory provides the details and fix information for a vulnerability that was discovered and fixed after the was disclosed in February 2026. This new advisory is for a new vulnerability in the control connection handshaking. The section of this advisory includes Show...

PT-2026-40962

Name of the Vulnerable Software and Affected Versions Cisco Catalyst SD-WAN Manager affected versions not specified Description A flaw in the web UI of Cisco Catalyst SD-WAN Manager, previously known as SD-WAN vManage, allows an unauthenticated remote attacker to read arbitrary files from the...

PT-2026-40960

Name of the Vulnerable Software and Affected Versions Cisco Catalyst SD-WAN Manager versions prior to 26.0.1 Description A flaw in the web UI of Cisco Catalyst SD-WAN Manager allows an authenticated remote attacker with read-only permissions to elevate their privileges to a high-privileged level...

Cisco Catalyst SD-WAN Manager和Cisco Catalyst SD-WAN Controller 授权问题漏洞

Cisco Catalyst SD-WAN Manager Cisco SD-WAN vManage and Cisco Catalyst SD-WAN Controller are both products of the American company Cisco. Cisco Catalyst SD-WAN Manager is a highly customizable dashboard that can simplify and automate the deployment, configuration, management, and operation of Cisc...

PT-2026-40959

Name of the Vulnerable Software and Affected Versions Cisco Catalyst SD-WAN Controller affected versions not specified Cisco Catalyst SD-WAN Manager affected versions not specified Cisco Catalyst SD-WAN Validator affected versions not specified Description A flaw in the peering authentication...

EUVD-2026-30095

An improper certificate validation vulnerability in the Palo Alto Networks Prisma SD-WAN ION enables man-in-the-middle MitM attacker to impersonate the controller...

CVE-2026-0243

A denial of service DoS vulnerability in Palo Alto Networks Prisma SD-WAN ION devices enables an unauthenticated attacker in a network adjacent to a Prisma SD-WAN ION device to cause a system disruption by sending a specially crafted IPv6 packet...

CVE-2026-0244

An improper certificate validation vulnerability in the Palo Alto Networks Prisma SD-WAN ION enables man-in-the-middle MitM attacker to impersonate the controller...

CVE-2026-0243

The CVE-2026-0243 entry concerns Palo Alto Networks Prisma SD-WAN ION devices. A denial-of-service condition arises when an unauthenticated attacker on an adjacent network sends a specially crafted IPv6 packet, causing a system disruption. The description identifies this as a high-severity issue ...

CVE-2026-0243 Prisma SD-WAN: Denial of Service (DoS) Vulnerability Through IPv6 Crafted Packet

A denial of service DoS vulnerability in Palo Alto Networks Prisma SD-WAN ION devices enables an unauthenticated attacker in a network adjacent to a Prisma SD-WAN ION device to cause a system disruption by sending a specially crafted IPv6 packet...

CVE-2026-0244 Prisma SD-WAN: Improper Certificate Validation Vulnerability

An improper certificate validation vulnerability in the Palo Alto Networks Prisma SD-WAN ION enables man-in-the-middle MitM attacker to impersonate the controller...

CVE-2026-0244

The CVE-2026-0244 issue affects Palo Alto Networks’ Prisma SD-WAN ION and is due to improper certificate validation. This vulnerability enables a man-in-the-middle attacker to impersonate the controller, with high potential impact to confidentiality, integrity, and availability. Root cause is cer...

PT-2026-40779

A denial of service DoS vulnerability in Palo Alto Networks Prisma SD-WAN ION devices enables an unauthenticated attacker in a network adjacent to a Prisma SD-WAN ION device to cause a system disruption by sending a specially crafted IPv6 packet...