Buffer overflow in Tendacn Ac9
CVE-2021-31624
Buffer Overflow vulnerability in Tenda AC9 V1.0 through V15.03.05.19(6318), and AC9 V3.0 V15.03.06.42_multi, allows attackers to execute arbitrary code via the urls parameter.
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.011 (65.4th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 65th percentile — 65.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.011 · newest: 0.011 · change: 0.000
Affected products
- Tendacn Ac9 — versions 3.0, 1.0
- Tendacn Ac9 Firmware
Weakness classification (CWE)
Public proof-of-concept exploits
References
- af854a3a-2127-422b-91ae-364da2661108 (Not Applicable)
- github.com/Lyc-heng/routers/blob/main/routers/stack2.md (Exploit, Third Party Advisory)
Frequently asked questions
- What is CVE-2021-31624?
- CVE-2021-31624 is a high-severity vulnerability in Tendacn Ac9, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 8.8/10. Published 2021-10-29.
- How severe is CVE-2021-31624?
- High severity. CVSS v3 base score is 8.8 out of 10.
- Is CVE-2021-31624 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.