CVE-2020-22079 is a critical stack-based buffer overflow vulnerability in the Tenda AC-10U AC1200 Router (US_AC10UV1.0RTL_V15.03.06.48_multi_TDE01 firmware) that also impacts Tenda AC9 devices. This flaw allows unauthenticated remote attackers to execute arbitrary code by manipulating the timeZone parameter in requests to the goform/SetSysTimeCfg endpoint. With a CVSS score of 9.8 (Critical), this vulnerability has a network attack vector, low attack complexity, and results in complete compromise of confidentiality, integrity, and availability. While there is no evidence of active exploitation, no public exploit code (Metasploit, Nuclei, ExploitDB), and it is not on the CISA KEV catalog, the vulnerability has garnered significant community discussion with over 10 mentions, indicating notable interest.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
15.03.06.48_multi_tde01CPE matchmatch criteria | cpe:2.3:o:tendacn:ac10u_firmware:15.03.06.48_multi_tde01:*:*:*:*:*:*:* | ||
15.03.05.19\(6318\)CPE matchmatch criteria | cpe:2.3:o:tendacn:ac9_firmware:15.03.05.19\(6318\):*:*:*:*:*:*:* | ||
15.03.06.42_multiCPE matchmatch criteria | cpe:2.3:o:tendacn:ac9_firmware:15.03.06.42_multi:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.
Remediation records are not available for this CVE.