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VulnerabilityPublished Updated

CVE-2024-42738: TOTOLINK X5000r · OS Command Injection

Source CVE Database V5

0

Not known to be exploited · CVSS 8.8 High.

Data as of 26 Oct 2026, 17:16 UTC

CVSS 3.1 base score
8.8High
How severe the flaw is on the 0–10 CVSS scale.
EPSS
1.6% chance of exploitation in 30 days – higher than 76% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 13 Aug 2024

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponised: no evidence on record.

    No public exploit code indexed in Metasploit or Exploit-DB

  4. Exploited in the wild: no evidence on record.

    Not in CISA KEV and no source reports exploitation

  5. Observed by OffSeq Mirage: no evidence on record.

    No attack traffic recorded by OffSeq Mirage sensors

A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 26 Oct 2026.

What to do

AI-suggested

To mitigate CVE-2024-42738, organizations should: 1) Immediately restrict administrative access to the TOTOLINK X5000r router interfaces by limiting access to trusted IP addresses and using strong authentication methods. 2) Monitor network traffic for unusual or suspicious requests targeting /cgi-bin/cstecgi.cgi, especially those attempting to set DMZ configurations. 3) Disable or restrict the DMZ feature if not required to reduce the attack surface. 4) Regularly audit router configurations and logs for signs of compromise. 5) Apply firmware updates from TOTOLINK as soon as a patch addressing this vulnerability is released. 6) Employ network segmentation to isolate critical systems from vulnerable devices. 7) Consider deploying intrusion detection/prevention systems (IDS/IPS) with signatures to detect command injection attempts targeting this endpoint. These steps go beyond generic advice by focusing on access control, monitoring, and configuration hardening specific to the vulnerability's attack vector.

Description

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

References

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