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CVE-2024-42736VulnerabilityPublished

CVE-2024-42736: n/a

Source CVE Database V5

0

Not known to be exploited · CVSS 7.8 High.

Data as of 25 Oct 2026, 19:02 UTC

CVSS 3.1 base score
7.8High
How severe the flaw is on the 0–10 CVSS scale.
EPSS
1.6% chance of exploitation in 30 days – higher than 75% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
CVSS:3.1/AV:L/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 2026-10-25.

What to do

AI-suggested

To mitigate CVE-2024-42736, organizations should first check for firmware updates from TOTOLINK addressing this vulnerability and apply them promptly once available. In the absence of an official patch, restrict access to the router’s management interface to trusted networks and users only, employing network segmentation and firewall rules to limit exposure. Enforce strong, unique passwords and implement multi-factor authentication if supported to reduce the risk of credential compromise. Monitor router logs and network traffic for suspicious activity indicative of command injection attempts or unauthorized access. Disable or restrict the use of the vulnerable addBlacklist functionality if possible. Additionally, consider deploying network intrusion detection systems (NIDS) with signatures targeting command injection patterns in HTTP requests to the /cgi-bin/cstecgi.cgi endpoint. Regularly audit and update device configurations to follow security best practices and reduce attack surface.

Description

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

References

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