PT-2021-10541 · Tenda · Tenda Ac9

Beatjean · Published 2021-09-30 · Updated 2022-09-14 · CVE-2020-20746

Positive Technologies (AI Summary)

CVSS v3.1

7.2

High

Base vector

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

Name of the Vulnerable Software and Affected Versions: Tenda AC9 version V15.03.06.60 EN

Description: A stack-based buffer overflow in the httpd server allows remote attackers to execute arbitrary code or cause a denial of service (DoS) via a crafted POST request to "/goform/SetStaticRouteCfg".

Recommendations: For Tenda AC9 version V15.03.06.60 EN, as a temporary workaround, consider restricting access to the "/goform/SetStaticRouteCfg" endpoint until a patch is available. At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

Memory Corruption

Weakness Enumeration

CWE-787

Related Identifiers

CVE-2020-20746

Affected Products

Tenda Ac9

References · 6

• 🔥 https://github.com/grapefruitvul/vulinfo/blob/master/tenda/vul1.md · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2020-20746 · Security Note
• https://osv.dev/vulnerability/CVE-2020-20746 · Vendor Advisory
• https://t.me/cibsecurity/29761 · Telegram Post
• https://t.me/cvenotify/21706 · Telegram Post
• https://cwe.mitre.org/data/definitions/121.html · Note