Buffer overflow in Tendacn Ac10u
CVE-2020-22079
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.
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.042 (90.6th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 91st percentile — 90.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.042 · newest: 0.042 · change: 0.000
Affected products
- Tendacn Ac10u — versions 1.0
- Tendacn Ac10u Firmware — versions 15.03.06.48_multi_tde01
- Tendacn Ac9 — versions 1.0, 3.0
- Tendacn Ac9 Firmware — versions 15.03.05.19\(6318\), 15.03.05.19(6318), 15.03.06.42_multi
Weakness classification (CWE)
Public proof-of-concept exploits
References
- cwe.mitre.org/data/definitions/121.html (Technical Description)
- github.com/1sd3d/Tendown/tree/master/PoCs/Auth/bof11 (Broken Link)
- github.com/Lyc-heng/routers/blob/main/routers/stack1.md (Exploit, Third Party Advisory)
Frequently asked questions
- What is CVE-2020-22079?
- CVE-2020-22079 is a critical-severity vulnerability in Tendacn Ac10u, classified under Out-of-bounds Write. CVSS score: 9.8/10. Published 2021-10-29.
- How severe is CVE-2020-22079?
- Critical severity. CVSS v3 base score is 9.8 out of 10.
- Is CVE-2020-22079 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.