CVE-2020-22079: tendacn ac10u_firmware Out-of-bounds Write
CVSS: 9.8v3.1CriticalModified
Published 29-10-2021Last modified 04-08-2024
Vulnerability summary
CVE-2020-22079 is a critical (CVSS 9.8) Out-of-bounds Write vulnerability in tendacn ac10u_firmware. EPSS estimates a 4.17% chance of exploitation in the next 30 days, higher than 90.8% of scored vulnerabilities. 1 public exploit is recorded.
CVSS score
9.8/10
010
Critical · v3.1 (NVD)EPSS score
4.17%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits1github
Timeline
- 29-10-2021PublishedVulnerability first disclosed.
- 04-08-2024Last modifiedVulnerability information updated.
Description
Stack-based buffer overflow in Tenda AC-10U AC1200 Router US_AC10UV1.0RTL_V15.03.06.48_multi_TDE01 allows remote attackers to execute arbitrary code via the timeZone parameter to goform/SetSysTimeCfg.
CVSS metrics
2 scores · 1 source · 2 versionsCritical 9.8Preferred score · NVD (NIST)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HSourcesSingle source
High 7.5Preferred score · NVD (NIST)
AV:N/AC:L/Au:N/C:P/I:P/A:PSourcesSingle source
EPSS trend
Probability
4.17%
Chance of exploitation in the next 30 days
Percentile
91%
Versus all other CVEs
30-day change
0.00 pp
From 4.17% on 22-09-2026
22-09-202622-10-2026
EPSS score4.17%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
1 foundRouters
Maturity: poc
Weaknesses
CWE · root causeAffected systems
Tendacn2 products
- ac10u_firmware15.03.06.48_multi_tde01
- ac9_firmware15.03.05.19\(6318\) | 15.03.06.42_multi
1 vendor · 2 products