Cross-site request forgery (CSRF) vulnerability in the administration console in TP-Link TL-WR840N (V1) router with firmware before 3.13.27…

published 2015-01-09 11 y ago modified 2026-06-17 4 mo ago also EUVD-2014-9325

cvss: 6.8; version 2.0, NVD
cisa kev: Not listed; not in CISA's catalog
epss: 1.0%; EPSS 1.0% chance of exploitation in 30 days, percentile 62%
public exploits: 0; none known

Cross-site request forgery (CSRF) vulnerability in the administration console in TP-Link TL-WR840N (V1) router with firmware before 3.13.27 build 141120 allows remote attackers to hijack the authentication of administrators for requests that change router settings via a configuration file import.

Patch / fix

links 1

tp-link.com/en/support/download/?model=TL-WR840N&version=V1 patch

Exploit prediction

0.98% chance of exploitation in the next 30 days, higher than 62% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by	version	score	vector
NVD	2.0	6.8	AV:N/AC:M/Au:N/C:P/I:P/A:P

Classification

Weakness

CWE-352 Cross-Site Request Forgery

References

tp-link.com /en/support/download/?model=TL-WR840N&version=V1
patch
seclists.org /fulldisclosure/2015/Jan/14
mailing-list
securityfocus.com /bid/71913
vdb-entry
secureworks.com /cyber-threat-intelligence/advisories/SWRX-2015-001/

Sources

CVE List CVE-2014-9510
NVD CVE-2014-9510

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

Summary