RCE in Tendacn G1
CVE-2021-45990
Tenda routers G1 and G3 v15.11.0.17(9502)_CN were discovered to contain a command injection vulnerability in the function uploadPicture. This vulnerability allows attackers to execute arbitrary commands via the pic_name parameter.
Vulnerability class: Command Injection (OS Command Injection)
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: 0.019 (79.1th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 79th percentile — 79.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.019 · newest: 0.019 · change: 0.000
Affected products
- Tendacn G1
- Tendacn G1 Firmware — versions 15.11.0.17\(9502\)_cn, 15.11.0.17(9502)_cn
- Tendacn G3
- Tendacn G3 Firmware — versions 15.11.0.17\(9502\)_cn, 15.11.0.17(9502)_cn
Weakness classification (CWE)
Public proof-of-concept exploits
References
- github.com/pjqwudi/my_vuln/blob/main/Tenda/vuln_1/1.md (Broken Link)
- www.tenable.com/cve/CVE-2021-45990 (Third Party Advisory)
Frequently asked questions
- What is CVE-2021-45990?
- CVE-2021-45990 is a critical-severity vulnerability in Tendacn G1, classified under Command Injection. CVSS score: 9.8/10. Published 2022-02-04.
- How severe is CVE-2021-45990?
- Critical severity. CVSS v3 base score is 9.8 out of 10.
- Is CVE-2021-45990 known to be exploited?
- 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.