CVE-2025-13445: ac21 Buffer Overflow — Exploit

Description

A flaw has been found in Tenda AC21 16.03.08.16. This affects an unknown part of the file /goform/SetIpMacBind. Executing a manipulation of the argument list can lead to stack-based buffer overflow. The attack can be executed remotely. The exploit has been published and may be used.

Is your site exposed to CVE-2025-13445?

Run a free security scan — no signup, results in seconds.

CVSS v3.1 Score

8.8

HIGH

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Weakness Type (CWE)

CWE-119 Buffer Overflow

CWE-121 CWE-121

Affected Products

Vendor	Product	Versions
tenda	ac21_firmware	All
tenda	ac21	All

References

Exploits

https://github.com/Madgeaaaaa/MY_VULN_2/blob/main/Tenda/VULN7.md https://github.com/Madgeaaaaa/MY_VULN_2/blob/main/Tenda/VULN7.md

Other References

https://vuldb.com/?ctiid.333017 https://vuldb.com/?id.333017 https://vuldb.com/?submit.694066 https://www.tenda.com.cn/

Frequently Asked Questions

What is CVE-2025-13445? +

A flaw has been found in Tenda AC21 16.03.08.16. This affects an unknown part of the file /goform/SetIpMacBind. Executing a manipulation of the argument list can lead to stack-based buffer overflow. The attack can be executed remotely. The exploit has been published and may be used. It has a CVSS v3.1 base score of 8.8 (HIGH).

How severe is CVE-2025-13445? +

CVE-2025-13445 has a CVSS v3.1 score of 8.8 out of 10, rated HIGH. This is a high-severity vulnerability that should be prioritized for patching.

What products are affected by CVE-2025-13445? +

CVE-2025-13445 affects products from tenda, specifically: ac21, ac21_firmware. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2025-13445? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

Related Vulnerabilities

CVE-2024-11139

CWE-119: Improper Restriction of Operations within the Bounds of a Memory Buffer vulnerability exists that could allow local attackers to …

CVE-2025-1866

Improper Restriction of Operations within the Bounds of a Memory Buffer vulnerability in warmcat libwebsockets allows Pointer Manipulation, potentially leading …

CVE-2025-2401

Buffer overflow vulnerability in Immunity Debugger affecting version 1.85, its exploitation could allow a local attacker to execute arbitrary code, …

CVE-2025-46333

z2d is a pure Zig 2D graphics library. Versions of z2d after `0.5.1` and up to and including `0.6.0`, when …

CVE-2025-6151

A vulnerability has been found in TP-Link TL-WR940N V4 and TL-WR841N V11. Affected by this issue is some unknown functionality …

CVE-2025-34096

A stack-based buffer overflow vulnerability exists in Easy File Sharing HTTP Server version 7.2. The flaw is triggered when a …

CVE-2025-13445