Buffer overflow in Tenda G3
CVE-2022-36586
In Tenda G3 US_G3V3.0br_V15.11.0.6(7663)_EN_TDE, there is a buffer overflow vulnerability caused by strcpy in function 0x869f4 in the httpd binary.
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: 0.009 (59.5th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 60th percentile — 59.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.008 · newest: 0.009 · change: +0.001
Affected products
- Tenda G3
- Tenda G3 Firmware — versions 15.11.0.6(7663), 15.11.0.6\(7663\)
Weakness classification (CWE)
Public proof-of-concept exploits
References
- www.tendacn.com/download/detail-3401.html (Patch, Vendor Advisory)
- github.com/Davidteeri/Bug-Report/blob/main/tenda-G3- 0x869f4.md (Third Party Advisory, Broken Link)
Frequently asked questions
- What is CVE-2022-36586?
- CVE-2022-36586 is a critical-severity vulnerability in Tenda G3, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 9.8/10. Published 2022-09-08.
- How severe is CVE-2022-36586?
- Critical severity. CVSS v3 base score is 9.8 out of 10.
- Is CVE-2022-36586 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.