A vulnerability classified as critical was found in TOTOLINK X5000r 9.1.0cu.2350_b20230313. Affected by this vulnerability is the function setDmzCfg of the file /cgi-bin/cstecgi.cgi. The manipulation with an unknown input leads to a os command injection vulnerability. The CWE definition for the vulnerability is CWE-78. The product constructs all or part of an OS command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended OS command when it is sent to a downstream component. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

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.

The advisory is shared at github.com. This vulnerability is known as CVE-2024-42738 since 08/05/2024. The exploitation appears to be easy. The attack can be launched remotely. Technical details are known, but no exploit is available. The price for an exploit might be around USD $0-$5k at the moment (estimation calculated on 08/15/2024). MITRE ATT&CK project uses the attack technique T1202 for this issue.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The entries VDB-274356, VDB-275033, VDB-276807 and VDB-276808 are pretty similar.

Productinfo

Vendor

• TOTOLINK

Name

• X5000r

Version

• 9.1.0cu.2350_b20230313

License

• commercial

CPE 2.3info

• 🔒

CPE 2.2info

• 🔒

CVSSv4info

CVSSv3info

CVSSv2info

Exploitinginfo

Threat Intelligenceinfo

Countermeasuresinfo

Timelineinfo

Sourcesinfo

Entryinfo

Discussion