What is CVE-2024-42740?

CVE-2024-42740 is a medium-severity vulnerability in Totolink X5000r, classified under OS Command Injection. CVSS score: 6.8/10. Published 2024-08-13.

How severe is CVE-2024-42740?

Medium severity. CVSS v3 base score is 6.8 out of 10.

Is CVE-2024-42740 known to be exploited?

2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

RCE in Totolink X5000r

CVE-2024-42740

In TOTOLINK X5000r v9.1.0cu.2350_b20230313, the file /cgi-bin/cstecgi.cgi contains an OS command injection vulnerability in setLedCfg. Authenticated Attackers can send malicious packet to execute arbitrary commands.

Vulnerability class: Command Injection (OS Command Injection)

Published 2024-08-13 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 6.8 (Medium). Vector: CVSS:3.1/AV:A/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.027 (85.6th percentile), scored 2026-10-01.

Low probability of exploitation in the next 30 days, but still tracked. 86th percentile — 85.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.027 · newest: 0.027 · change: 0.000

Affected products

Totolink X5000r
Totolink X5000r Firmware — versions 9.1.0cu.2350_b20230313

Weakness classification (CWE)

CWE-78 — OS Command Injection

Public proof-of-concept exploits

References

github.com/HouseFuzz/reports/blob/main/totolink/x5000r/setLedCfg/setLedCfg.md (Exploit, Third Party Advisory)

Frequently asked questions

What is CVE-2024-42740?: CVE-2024-42740 is a medium-severity vulnerability in Totolink X5000r, classified under OS Command Injection. CVSS score: 6.8/10. Published 2024-08-13.
How severe is CVE-2024-42740?: Medium severity. CVSS v3 base score is 6.8 out of 10.
Is CVE-2024-42740 known to be exploited?: 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.