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CVE-2022-43973

HIGH
Published 2023-01-09T00:00:00.000Z
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CVSS Score

V3.1
7.2
/10
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Base Score Metrics
Exploitability: N/A Impact: N/A

EPSS Score

v2025.03.14
0.012
probability
of exploitation in the wild

There is a 1.2% chance that this vulnerability will be exploited in the wild within the next 30 days.

Updated: 2025-06-25
Exploit Probability
Percentile: 0.779
Higher than 77.9% of all CVEs

Attack Vector Metrics

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
HIGH
User Interaction
NONE
Scope
UNCHANGED

Impact Metrics

Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH

Description

An arbitrary code execution vulnerability exisits in Linksys WRT54GL Wireless-G Broadband Router with firmware <= 4.30.18.006. The Check_TSSI function within the httpd binary uses unvalidated user input in the construction of a system command. An authenticated attacker with administrator privileges can leverage this vulnerability over the network via a malicious POST request to /apply.cgi to execute arbitrary commands on the underlying Linux operating system as root.

Available Exploits

No exploits available for this CVE.

Related News

No news articles found for this CVE.

Affected Products

Linksys

WRT54GL Wireless-G Broadband Router

Affected Versions:

Firmware

GitHub Security Advisories

Community-driven vulnerability intelligence from GitHub

⚠ Unreviewed HIGH

GHSA-j637-xgw5-6q5c

Advisory Details

An arbitrary code execution vulnerability exisits in Linksys WRT54GL Wireless-G Broadband Router with firmware <= 4.30.18.006. The Check_TSSI function within the httpd binary uses unvalidated user input in the construction of a system command. An authenticated attacker with administrator privileges can leverage this vulnerability over the network via a malicious POST request to /apply.cgi to execute arbitrary commands on the underlying Linux operating system as root.

CVSS Scoring

CVSS Score

7.5

CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

References

ADVISORY https://nvd.nist.gov/vuln/detail/CVE-2022-43973
WEB https://youtu.be/73-1lhvJPNg
WEB https://youtu.be/RfWVYCUBNZ0
WEB https://youtu.be/TeWAmZaKQ_w

Advisory provided by GitHub Security Advisory Database. Published: January 9, 2023, Modified: January 13, 2023

References

https://youtu.be/73-1lhvJPNg
https://youtu.be/TeWAmZaKQ_w
https://youtu.be/RfWVYCUBNZ0
Published: 2023-01-09T00:00:00.000Z
Last Modified: 2025-04-09T14:20:48.368Z
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