Vulnerability in TP-LinK TL-WR841N wireless router

published 2022-02-09 4 y ago modified 2026-06-17 4 mo ago also EUVD-2022-15370

cvss: 8.4; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.7%; EPSS 0.7% chance of exploitation in 30 days, percentile 52%
public exploits: 0; none known

The vulnerability exists in TP-Link TL-WR841N V11 3.16.9 Build 160325 Rel.62500n wireless router due to transmission of authentication information in cleartextbase64 format. Successful exploitation of this vulnerability could allow a remote attacker to intercept credentials and subsequently perform administrative operations on the affected device through web-based management interface.

Exploit prediction

0.67% chance of exploitation in the next 30 days, higher than 52% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
CNA	3.1	8.4	CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
NVD	3.1	9.8	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
NVD	2.0	7.5	AV:N/AC:L/Au:N/C:P/I:P/A:P

Affected products

TP-Link TL-WR841N

Classification

Weakness

CWE-319 Cleartext Transmission of Sensitive Information

References

cert-in.org.in /s2cMainServlet?pageid=PUBVLNOTES01&VLCODE=CIVN-2022-0068
third-party-advisory

Sources

CVE List CVE-2022-0162
NVD CVE-2022-0162

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Summary