RCE in Belkin Linksys Wrt160nl
CVE-2021-25310
The administration web interface on Belkin Linksys WRT160NL 1.0.04.002_US_20130619 devices allows remote authenticated attackers to execute system commands with root privileges via shell metacharacters in the ui_language POST parameter to the apply.cgi form endpoint. This occurs in do_upgrade_post in mini_httpd. NOTE: This vulnerability only affects products that are no longer supported by the maintaine
Vulnerability class: Command Injection (OS Command Injection)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.046 (91.4th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 91st percentile — 91.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.046 · newest: 0.046 · change: 0.000
Affected products
- Belkin Linksys Wrt160nl
- Belkin Linksys Wrt160nl Firmware — versions 1.0.04.002_us_20130619
Weakness classification (CWE)
Public proof-of-concept exploits
References
- research.nccgroup.com/ (Third Party Advisory)
- research.nccgroup.com/2021/01/28/technical-advisory-linksys-wrt160nl-authentica… (Exploit, Third Party Advisory)
Frequently asked questions
- What is CVE-2021-25310?
- CVE-2021-25310 is a high-severity vulnerability in Belkin Linksys Wrt160nl, classified under OS Command Injection. CVSS score: 8.8/10. Published 2021-02-02.
- How severe is CVE-2021-25310?
- High severity. CVSS v3 base score is 8.8 out of 10.
- Is CVE-2021-25310 known to be exploited?
- 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.