CVE-2012-5687
HighPublic exploitDirectory 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 ..
Published Nov 1, 2012 · Updated Apr 28, 2026
Key Facts
Patch immediately- CVE-2012-5687 is a high-severity vulnerability (CVSS 7.8 v2) affecting Tl-Wr841n (Tp-Link), Tl-Wr841n Firmware (Tp-Link).
- It is not listed in any known-exploited vulnerabilities catalog. Public exploit code is available.
- EPSS estimates a 69% probability of exploitation in the next 30 days.
- Fixed versions are available, including Tl-Wr841n Firmware 3.13.9.
- Brandefense priority: patch immediately, because it is very likely to be exploited soon.
CVSS v2
7.8
AV:N/AC:L/Au:N/C:C/I:N/A:N
EPSS (30-day exploit likelihood)
69%
Higher than 99.3% of all scored CVEs
Exploited in the wild
No known
Not in a known-exploited catalog
Public exploit code
Available
Proof-of-concept or weaponized module
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Description
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.
Affected Products
2 affected entries in total| Product | Affected versions | Fixed in |
|---|---|---|
| Tl-Wr841nTp-Link | See advisory | n/a |
| Tl-Wr841n FirmwareTp-Link | See advisory | 3.13.9 |
Patched Releases
Tl-Wr841n Firmware
3.13.9
Timeline
Publicly disclosed
Nov 1, 2012
Last updated
Apr 28, 2026
Weakness Type
- CWE-22 Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
References
FAQ
Common Questions.
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 ..
Affected: Tl-Wr841n (Tp-Link); Tl-Wr841n Firmware (Tp-Link). The full list is in the CVE brief.
It is not listed in any known-exploited vulnerabilities catalog.
No, it is not currently listed in the CISA Known Exploited Vulnerabilities catalog.
Public exploit code is available.
Fixed versions are available, including Tl-Wr841n Firmware 3.13.9.
Brandefense priority: patch immediately, because it is very likely to be exploited soon.
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