PT-2025-41606 · Tenda · Tenda Ac7

Noahze01 + 1 · Published 2025-10-06 · Updated 2025-10-20 · CVE-2025-11586

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 AC7 version 15.03.06.44

Description A stack-based buffer overflow exists in the Tenda AC7 router firmware. The issue is located in an unknown function within the /goform/setNotUpgrade endpoint. Manipulation of the newVersion argument causes the overflow, and the attack can be carried out remotely. The exploit has been publicly disclosed.

Recommendations Update to a newer version that contains a fix for this vulnerability. As a temporary workaround, restrict access to the /goform/setNotUpgrade endpoint to minimize the risk of exploitation.

Exploit

Fix

Stack Overflow

Buffer Overflow

Weakness Enumeration

CWE-121

CWE-119

Related Identifiers

BDU:2025-12834

CVE-2025-11586

Affected Products

Tenda Ac7

References · 16

• 🔥 https://github.com/noahze01/IoT-vulnerable/blob/main/Tenda/AC7/setNotUpgrade.md · Exploit
• 🔥 https://github.com/noahze01/IoT-vulnerable/blob/main/Tenda/AC7/setNotUpgrade.md#exploit · Exploit
• https://osv.dev/vulnerability/CVE-2025-11586 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2025-11586 · Security Note
• https://bdu.fstec.ru/vul/2025-12834 · Security Note
• https://t.me/cveNotify/138278 · Telegram Post
• https://vuldb.com/?ctiid.327908 · Note
• https://t.me/CVEtracker/34622 · Telegram Post
• https://twitter.com/CVEnew/status/1976759177700602246 · Twitter Post
• https://twitter.com/VulmonFeeds/status/1976768510417059843 · Twitter Post
• https://twitter.com/CveFindCom/status/1976757006389162298 · Twitter Post
• https://twitter.com/CveTodo/status/1976762246677066200 · Twitter Post
• https://tenda.com.cn · Note
• https://vuldb.com/?id.327908 · Note
• https://t.me/cveNotify/139421 · Telegram Post