Buffer overflow in Tendacn Ac9
CVE-2020-20746
A stack-based buffer overflow in the httpd server on Tenda AC9 V15.03.06.60_EN allows remote attackers to execute arbitrary code or cause a denial of service (DoS) via a crafted POST request to /goform/SetStaticRouteCfg.
Vulnerability class: Buffer Overflow
EPSS: 0.028 (84.7th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.2 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H.
Affected products
- Tendacn Ac9 — versions 3.0
- Tendacn Ac9_firmware — versions 15.03.06.60_en
- N/a — versions n/a
Weakness classification (CWE)
Public proof-of-concept exploits
References
- cve@mitre.org (Technical Description, x_refsource_MISC)
- cve@mitre.org (Exploit, Third Party Advisory, x_refsource_MISC)
Frequently asked questions
- What is CVE-2020-20746?
- CVE-2020-20746 is a high-severity vulnerability in Tendacn Ac9, classified under Out-of-bounds Write. CVSS score: 7.2/10. Published 2021-09-30.
- How severe is CVE-2020-20746?
- High severity. CVSS v3 base score is 7.2 out of 10.
- Is CVE-2020-20746 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.