Peplink Surf SOHO HW1 6.3.5 HTTP Request api.cgi system os command injection

Summaryinfo

A vulnerability, which was classified as critical, has been found in Peplink Surf SOHO HW1 6.3.5. Affected by this issue is the function system of the file /web/MANGA/cgi-bin/api.cgi of the component HTTP Request Handler. Performing a manipulation results in os command injection. This vulnerability is known as CVE-2023-35194. Remote exploitation of the attack is possible. No exploit is available.

Detailsinfo

A vulnerability was found in Peplink Surf SOHO HW1 6.3.5. It has been classified as critical. This affects the function system of the file /web/MANGA/cgi-bin/api.cgi of the component HTTP Request Handler. The manipulation with an unknown input leads to a os command injection vulnerability. CWE is classifying the issue as 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. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

An OS command injection vulnerability exists in the api.cgi cmd.mvpn.x509.write functionality of peplink Surf SOHO HW1 v6.3.5 (in QEMU). A specially crafted HTTP request can lead to command execution. An attacker can make an authenticated HTTP request to trigger this vulnerability.This vulnerability is specifically for the `system` call in the file `/web/MANGA/cgi-bin/api.cgi` for firmware version 6.3.5 at offset `0x4bde44`.

The weakness was published 10/11/2023 as TALOS-2023-1782. It is possible to read the advisory at talosintelligence.com. This vulnerability is uniquely identified as CVE-2023-35194 since 06/14/2023. Technical details of the vulnerability are known, but there is no available exploit. The pricing for an exploit might be around USD $0-$5k at the moment (estimation calculated on 10/11/2023). The attack technique deployed by this issue is T1202 according to MITRE ATT&CK.

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

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Productinfo

Vendor

• Peplink

Name

• Surf SOHO HW1

Version

• 6.3.5

CPE 2.3info

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CPE 2.2info

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