What is the CVSS score of CVE-2023-35194?

CVE-2023-35194 has a CVSS 3.1 base score of 8.8 (High). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H. EPSS exploitation probability: 5.6%.

Is there a public PoC exploit available for CVE-2023-35194?

Yes, a public proof-of-concept exploit is available for CVE-2023-35194. Prioritise patching immediately. EPSS: 5.6%.

Surf Soho Firmware CVE-2023-35194

HIGH

OS Command Injection (CWE-78)

2023-10-11 talos-cna@cisco.com

Command Injection Surf Soho Firmware

8.8

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

8.8 HIGH

AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Lifecycle Timeline

CVE Published

Oct 11, 2023 - 16:15 nvd

HIGH 8.8

DescriptionNVD

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.

AnalysisAI

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). Rated high severity (CVSS 8.8), this vulnerability is remotely exploitable, low attack complexity. Public exploit code available and no vendor patch available.

Technical ContextAI

This vulnerability is classified as OS Command Injection (CWE-78), which allows attackers to execute arbitrary operating system commands on the host. 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. Affected products include: Peplink Surf Soho Firmware. Version information: version 6.3.5.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Avoid passing user input to shell commands. Use language-specific APIs instead of shell execution. Apply strict input validation with allowlists.