What is the CVSS score of CVE-2015-1187?

CVE-2015-1187 has a CVSS 3.1 base score of 9.8 (Critical). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H. EPSS exploitation probability: 81.2%.

Is there a public PoC exploit available for CVE-2015-1187?

Yes, a public proof-of-concept exploit is available for CVE-2015-1187. Prioritise patching immediately. EPSS: 81.2%.

Dir 626L Firmware CVE-2015-1187

CRITICAL

Improper Authentication (CWE-287)

2017-09-21 cve@mitre.org

Authentication Bypass RCE D-Link Dir 626L Firmware Dir 636L Firmware Dir 808L Firmware Dir 810L Firmware Dir 820L Firmware Dir 826L Firmware Dir 830L Firmware Dir 836L Firmware Tew 731Br Firmware Dir 651 Firmware Tew 651Br Firmware Tew 652Br Firmware Tew 711Br Firmware Tew 810Dr Firmware Tew 813Dru Firmware Trendnet

9.8

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

9.8 CRITICAL

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

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Lifecycle Timeline

Added to CISA KEV

Apr 21, 2026 - 15:31 CISA

CVE Published

Sep 21, 2017 - 16:29 cve.org

CRITICAL 9.8

DescriptionCVE.org

The ping tool in multiple D-Link and TRENDnet devices allow remote attackers to execute arbitrary code via the ping_addr parameter to ping.ccp.

AnalysisAI

The ping tool in multiple D-Link and TRENDnet devices allow remote attackers to execute arbitrary code via the ping_addr parameter to ping.ccp. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Actively exploited in the wild (cisa kev) and public exploit code available.

Technical ContextAI

This vulnerability is classified as Improper Authentication (CWE-287), which allows attackers to bypass authentication mechanisms to gain unauthorized access. The ping tool in multiple D-Link and TRENDnet devices allow remote attackers to execute arbitrary code via the ping_addr parameter to ping.ccp. Affected products include: Dlink Dir-626L Firmware, Dlink Dir-636L Firmware, Dlink Dir-808L Firmware, Dlink Dir-810L Firmware, Dlink Dir-820L Firmware.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Implement multi-factor authentication, enforce strong password policies, use proven authentication frameworks.