What is the CVSS score of CVE-2017-8836?

CVE-2017-8836 has a CVSS 3.0 base score of 8.8 (High). CVSS vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H. EPSS exploitation probability: 0.6%.

Is there a public PoC exploit available for CVE-2017-8836?

Yes, a public proof-of-concept exploit is available for CVE-2017-8836. Prioritise patching immediately. EPSS: 0.6%.

B305Hw2 Firmware CVE-2017-8836

HIGH

Cross-Site Request Forgery (CSRF) (CWE-352)

2017-06-05 cve@mitre.org

CSRF B305Hw2 Firmware 380Hw6 Firmware 580Hw2 Firmware 710Hw3 Firmware 1350Hw2 Firmware 2500 Firmware

8.8

CVSS 3.0 · NVD

Severity by source

NVD PRIMARY

8.8 HIGH

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

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

Required

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Lifecycle Timeline

CVE Published

Jun 05, 2017 - 14:29 cve.org

HIGH 8.8

DescriptionCVE.org

CSRF exists on Peplink Balance 305, 380, 580, 710, 1350, and 2500 devices with firmware before fw-b305hw2_380hw6_580hw2_710hw3_1350hw2_2500-7.0.1-build2093. The CGI scripts in the administrative interface are affected. This allows an attacker to execute commands, if a logged in user visits a malicious website. This can for example be used to change the credentials of the administrative webinterface.

AnalysisAI

CSRF exists on Peplink Balance 305, 380, 580, 710, 1350, and 2500 devices with firmware before fw-b305hw2_380hw6_580hw2_710hw3_1350hw2_2500-7.0.1-build2093. Rated high severity (CVSS 8.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available and no vendor patch available.

Technical ContextAI

This vulnerability is classified as Cross-Site Request Forgery (CSRF) (CWE-352), which allows attackers to trick authenticated users into performing unintended actions. CSRF exists on Peplink Balance 305, 380, 580, 710, 1350, and 2500 devices with firmware before fw-b305hw2_380hw6_580hw2_710hw3_1350hw2_2500-7.0.1-build2093. The CGI scripts in the administrative interface are affected. This allows an attacker to execute commands, if a logged in user visits a malicious website. This can for example be used to change the credentials of the administrative webinterface. Affected products include: Peplink B305Hw2 Firmware, Peplink 380Hw6 Firmware, Peplink 580Hw2 Firmware, Peplink 710Hw3 Firmware, Peplink 1350Hw2 Firmware.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Implement anti-CSRF tokens, validate Origin/Referer headers, use SameSite cookie attribute.