PT-2025-30727 · Tenda · Tenda Ac20

Liuchangwei · Published 2025-07-21 · Updated 2025-08-05 · CVE-2025-8131

Positive Technologies (AI Summary)

CVSS v2.0

9.0

High

Base vector

AV:N/AC:L/Au:S/C:C/I:C/A:C

Name of the Vulnerable Software and Affected Versions Tenda AC20 version 16.03.08.05

Description A stack-based buffer overflow vulnerability exists in the processing of the list parameter within the /goform/SetStaticRouteCfg file. Remote attackers can exploit this issue to execute arbitrary code or cause a denial-of-service condition. The exploit has been publicly disclosed.

Recommendations Update to a newer version that contains a fix for this vulnerability. As a temporary workaround, consider restricting access to the /goform/SetStaticRouteCfg endpoint.

Exploit

Fix

Stack Overflow

Buffer Overflow

Weakness Enumeration

CWE-121

CWE-119

Related Identifiers

BDU:2025-09080

CVE-2025-8131

Affected Products

Tenda Ac20

References · 12

• 🔥 https://github.com/Thir0th/Thir0th-CVE/blob/main/Tenda_AC20_V16.03.08.05_has_a_stack_overflow.md · Exploit
• https://osv.dev/vulnerability/CVE-2025-8131 · Vendor Advisory
• https://bdu.fstec.ru/vul/2025-09080 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2025-8131 · Security Note
• https://twitter.com/VulmonFeeds/status/1948628846170759231 · Twitter Post
• https://vuldb.com/?submit.619769 · Note
• https://t.me/cveNotify/130986 · Telegram Post
• https://vuldb.com/?ctiid.317527 · Note
• https://tenda.com.cn · Note
• https://twitter.com/CveFindCom/status/1948611982090817781 · Twitter Post
• https://vuldb.com/?id.317527 · Note
• https://twitter.com/cracbot/status/1950511734709735721 · Twitter Post