PT-2025-41414 · Tenda · Tenda W12

Z472421519 · Published 2025-10-09 · Updated 2025-10-18 · CVE-2025-11549

Positive Technologies (AI Summary)

CVSS v3.1

9.8

Critical

Base vector

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

Name of the Vulnerable Software and Affected Versions Tenda W12 version 3.0.0.6(3948)

Description A flaw exists in the Tenda W12 router firmware that allows for a remote stack-based buffer overflow. The issue is located in the wifiMacFilterSet function within the HTTP Request Handler component, specifically in the /goform/modules file. The mac argument is vulnerable to manipulation, potentially leading to a crash or other unintended behavior. The exploit for this issue has been publicly disclosed.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

Stack Overflow

Buffer Overflow

Weakness Enumeration

CWE-121

CWE-119

Related Identifiers

CVE-2025-11549

Affected Products

Tenda W12

References · 12

• 🔥 https://github.com/z472421519/BinaryAudit/blob/main/PoC/BOF/Tenda_W12/cgiWifiMacFilterSet/cgiWifiMacFilterSet.md · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2025-11549 · Security Note
• https://osv.dev/vulnerability/CVE-2025-11549 · Vendor Advisory
• https://twitter.com/CveTodo/status/1976338944452084015 · Twitter Post
• https://twitter.com/CVEnew/status/1976340663282348303 · Twitter Post
• https://vuldb.com/?ctiid.327708 · Note
• https://twitter.com/CveFindCom/status/1976334322245177534 · Twitter Post
• https://t.me/cveNotify/139303 · Telegram Post
• https://tenda.com.cn · Note
• https://vuldb.com/?submit.670110 · Note
• https://t.me/cveNotify/138061 · Telegram Post
• https://vuldb.com/?id.327708 · Note