CVE Tools
Sign in

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
NVD MITRE
7.5CVSSHIGH
EPSS Score
0.7%
Top 51.4%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch 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.

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
Open in CVSS calculator →

Weaknesses

CWE-203

Affected Products

archer c5 firmwaretp-linkNetworking Infrastructure
tl-wr710n firmwaretp-linkNetworking Infrastructure
WR710NTP-LinkNetworking Infrastructure
Archer C5TP-LinkNetworking Infrastructure
Archer C5TP-Link Technologies Co Ltd.Networking Infrastructure
tp-linkcommercialTWNetworking Infrastructureaka tp-link, tp link
tp-link technologies co ltd.commercialCNNetworking Infrastructureaka tl-wr841n, tl-wr940n, tl-wr886n
and 1 more affected products View all →

Attack Graph

Products CVE Techniques Tactics

Click technique nodes to view MITRE ATT&CK details. Scroll to zoom, drag to pan.

Exploitability

Official Patch Available

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 →

Timeline

Published
Jan 11, 2023
Last Updated
Nov 4, 2025

Unlock Complete Vulnerability Intelligence

Get the full picture for CVE-2022-4499 and every CVE in our database. Create a free account — no credit card required.

Create Free Account
Plain-language analysis
Impact assessment and exploitation scenario in plain English
Attack graph visualization
Interactive attack path and kill chain mapping
Exploit details & PoC links
ExploitDB, Metasploit, GitHub PoCs with direct links
Nuclei scanner templates
Ready-to-use vulnerability scanner templates
Full remediation guide
Patch instructions, workarounds, and compliance impact
Interactive AI chat
Ask questions about this vulnerability in natural language
Related vulnerabilities
Semantically similar CVEs and attack patterns
REST API & MCP access
Integrate vulnerability data into your workflows