CVE-2023-31740: linksys e2000_firmware Command Injection
Vulnerability summary
CVE-2023-31740 is a high (CVSS 7.2) Command Injection vulnerability in linksys e2000_firmware. EPSS estimates a 2.37% chance of exploitation in the next 30 days, higher than 83.7% of scored vulnerabilities. 1 public exploit is recorded.
Timeline
- 23-05-2023PublishedVulnerability first disclosed.
- 09-07-2026Last modifiedVulnerability information updated.
Description
There is a command injection vulnerability in the Linksys E2000 router with firmware version 1.0.06. If an attacker gains web management privileges, they can inject commands into the post request parameters WL_atten_bb, WL_atten_radio, and WL_atten_ctl in the apply.cgi interface, thereby gaining shell privileges.
CVSS metrics
2 scores · 2 sources · 1 version- NVDNIST7.2HighCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
EPSS trend
Probability
2.37%
Chance of exploitation in the next 30 days
Percentile
84%
Versus all other CVEs
30-day change
No change 0.00 pp
From 2.37% on 22-09-2026
Known exploited
Compare KEV catalogsNot in the CISA KEV catalog.
Not in the ENISA CNW catalog.
Not in the CIRCL catalog.
Public exploits
1 foundCve
Maturity: poc
Weaknesses
CWE · root causeAffected systems
Linksys1 product
- e2000_firmware1.0.06
1 vendor · 1 product
References
1 links- github.com/D2y6p/CVE/blob/main/Linksys/CVE-2023-31740/Linksys_E2000_RCE.pdfExploitMitigationThird Party Advisory