In TOTOLINK X5000r v9.1.0cu.2350_b20230313, the file /cgi-bin/cstecgi.cgi contains an OS command injection vulnerability in setAccessDevice…

published 2024-08-13 2 y ago modified 2026-06-17 4 mo ago also EUVD-2024-39752

cvss: 8.8; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 1.6%; EPSS 1.6% chance of exploitation in 30 days, percentile 76%
public exploits: 0; none known

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

CISA SSVC

Exploitation: Proof of concept is public
Automatable: no
Technical impact: total
Assessed: 2 y ago (2024-08-14)

Exploit prediction

1.65% chance of exploitation in the next 30 days, higher than 76% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

github.com https://github.com/HouseFuzz/reports/blob/main/totolink/x5000r/setAccessDeviceCfg/setAccessDeviceCfg.md referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by	version	score	vector
CISA ADP	3.1	8.8	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
NVD	3.1	8.8	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CNA	3.1	8.8	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Affected products

totolink x5000r

Classification

Weakness

CWE-94 Improper Control of Generation of Code
CWE-78 Improper Neutralization of Special Elements used in an OS Command

References

github.com /HouseFuzz/reports/blob/main/totolink/x5000r/setAccessDeviceCfg/setAccessDeviceCfg.md
exploit, third-party-advisory

Sources

CVE List CVE-2024-42739
NVD CVE-2024-42739

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

Summary