High severity · published Jan 11, 2023
CVE-2022-4499
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
7.5
CVSS
0.7%
EPSS
No
On KEV
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
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
None
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.7% · higher than 54% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
AC
Archer C5 Firmware · Tp-link
2_160201_us · source: NVD
TF
Tl-wr710n Firmware · Tp-link
1_151022_us · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2022-4499
CVE.org
https://www.cve.org/CVERecord?id=CVE-2022-4499
Third Party Advisory
https://kb.cert.org/vuls/id/572615
www.kb.cert.org
https://www.kb.cert.org/vuls/id/572615
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