CVE-2012-5687

Exp

Directory traversal vulnerability in the web-based management feature on the TP-LINK TL-WR841N router with firmware 3.13.9 build 120201 Rel.54965n and earlier allows remote attackers to read arbitrary files via a .. (dot dot) in the PATH_INFO to the help/ URI.

Published: 2012-11-01 Last update: 2026-04-29 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2012-5687 is rated High Exploit Risk (82.2/100): CVSS High severity, with high exploitation likelihood (EPSS 68.72%, 99th percentile). 2 public exploit reference(s) are indexed (Exploit-DB). EPSS rose +1.24% over the last day, indicating growing attacker interest. Public exploits are available—assess exposure, apply mitigations, and prioritize patching.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Public exploit references (Exploit-DB) for CVE-2012-5687

EDB-ID Source Kind Published Link
24504 exploit_db edb 2013-02-15 Exploit-DB ↗
— nvd_ref exploit_tag Exploit-DB ↗

Exploit prediction scoring system (EPSS) score for CVE-2012-5687

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-06-15 67.48% 68.72% +1.24%
2 2026-03-04 66.40% 67.48% +1.08%
3 2026-03-01 — 66.40% —

Full EPSS history (37 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2012-5687

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
7.8 2.0 HIGH
AV:N/AC:L/Au:N/C:C/I:N/A:N Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:L)
Exploitation conditions are straightforward and predictable.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:C)
Complete confidentiality impact.
Integrity impact (I:N)
No integrity impact.
Availability impact (A:N)
No availability impact.
 10.0 6.9 [email protected]

Weakness enumeration for CVE-2012-5687

Affected software / configurations for CVE-2012-5687

Vendor Product Version Raw CPE
tp-link tl-wr841n — cpe:2.3:h:tp-link:tl-wr841n:-:*:*:*:*:*:*:*
tp-link tl-wr841n_firmware <= 3.13.9 cpe:2.3:o:tp-link:tl-wr841n_firmware:*:*:*:*:*:*:*:*

References for CVE-2012-5687

cvelogic Threat Intelligence