Vulnerability · Published Aug 20, 2025 · Assigned by talos
CVE-2025-27129
Critical 9.8
In plain English
A critical-severity authentication bypass in AC6 V5.0 from Tenda. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 2.1% (higher than 82% of all known vulnerabilities).
Severity (CVSS 3.1)9.8Critical
Exploit odds (30 days)2.1%top 18.1% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
An authentication bypass vulnerability exists in the HTTP authentication functionality of Tenda AC6 V5.0 V02.03.01.110. A specially crafted HTTP request can lead to arbitrary code execution. An attacker can send packets to trigger this vulnerability.
Affected products (as reported)
Weakness: CWE-288 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H