QwikSec

Security Database

CVE

CWE

Training

CVE Database
/

CVE-2026-1637

Back to search

CVE-2026-1637

Published: Jan 29, 2026

Modified: Feb 23, 2026

PUBLISHED

CVSS v3.1

8.8

HIGH

Description

A vulnerability was identified in Tenda AC21 16.03.08.16. The affected element is the function fromAdvSetMacMtuWan of the file /goform/AdvSetMacMtuWan. The manipulation leads to stack-based buffer overflow. Remote exploitation of the attack is possible. The exploit is publicly available and might be used.

VendorProductVersions

Tenda

AC21

affected
16.03.08.16

Weaknesses (CWE)

CWE-121
CWE-119

CVSS v3.1 Details

CVSS v3.1 Vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

References

VDB-343416 | CTI Indicators (IOB, IOC, IOA)
signature
permissions-required
https://github.com/LX-LX88/cve/issues/25
broken-link
exploit
issue-tracking

Security Training

Train your team to recognize and prevent security threats with our comprehensive security awareness program.

Start Training

Vulnerability Scanning

Discover vulnerabilities in your applications and infrastructure before attackers do.

Scan Now