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CVE-2022-4499

The strcmp function in TP-Link routers, Archer C5 and WR710N-V1, used for checking credentials in httpd, is susceptible to a side-channel attack.

Published: Jan 11, 2023Updated: Nov 4, 2025 Sources: CVE List NVD BDUCWE-203
7.5HIGH
NVD MITRE
EPSS Score
0.7%
Top 49.9%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available
Self-Check
Not available

Description

TP-Link routers, Archer C5 and WR710N-V1, using the latest software, the strcmp function used for checking credentials in httpd, is susceptible to a side-channel attack. By measuring the response time of the httpd process, an attacker could guess each byte of the username and password.

No summary for this CVE yet.

CVSS Vector Breakdown

AV:NAC:LPR:NUI:NS:UC:HI:NA:N
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:NPrivileges Required
None
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:HConfidentiality
High
I:NIntegrity
None
A:NAvailability
None
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Weaknesses

CWE-203

Affected Products

TP-Link
commercial·TWaka tp link
archer c5 firmware
Networking Infrastructure
tl-wr710n firmware
Networking Infrastructure
WR710N
Networking Infrastructure
Archer C5
Networking Infrastructure
TP-Link Technologies Co Ltd.
commercial·CNaka tl-wr841n, tl-wr886n, tl-wr940n
Archer C5
Networking Infrastructure
WR710N
Networking Infrastructure

Exploitability

Official Patch Available
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Attack Graph

Products CVE Techniques Tactics

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MITRE ATT&CK

1 technique
Discovery
View detailed technique mapping

References

https://kb.cert.org/vuls/id/572615
kb.cert.org
https://www.kb.cert.org/vuls/id/572615
kb.cert.org
https://kb.cert.org/vuls/id/572615
kb.cert.org
and 2 more references View all →

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