CVE-2025-27129 — Authentication Bypass Using an Alternate Path or Channel in AC6 V5.0

CWE-288 — Authentication Bypass Using an Alternate Path or ChannelCWE-918 — Server-Side Request Forgery4 documents4 sources
Severity
9.8CRITICALNVD
GHSA5.0
EPSS
0.2%
top 62.30%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
2
Tenda AC6 V5.0Tenda AC6 Firmware
Timeline
PublishedAug 20
Latest updateFeb 24

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.

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HExploitability: 3.9 | Impact: 5.9

Affected Packages2 packages

▶CVEListV5tenda/ac6_v5.0V02.03.01.110
▶NVDtenda/ac6_firmware02.03.01.110

🔴Vulnerability Details

3
GHSA
Craft CMS: Cloud Metadata SSRF Protection Bypass via IPv6 Resolution↗2026-02-24
▶
CVEList
CVE-2025-27129: An authentication bypass vulnerability exists in the HTTP authentication functionality of Tenda AC6 V5↗2025-08-20
▶
GHSA
GHSA-ph9v-qvxr-mh9x: An authentication bypass vulnerability exists in the HTTP authentication functionality of Tenda AC6 V5↗2025-08-20
▶
CVE-2025-27129 — Tenda AC6 V5.0 vulnerability | cvebase