Vulnerability-Lookup

VAR-202301-0949

Vulnerability from variot - Updated: 2025-01-20 23:24

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. Linksys WRT54GL Wireless-G Broadband Router for, OS A command injection vulnerability exists.Information is obtained, information is tampered with, and service operation is interrupted. (DoS) It may be in a state. Linksys WRT54GL is a wireless router from Linksys, Inc. of the United States

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CVE-2022-43973 (GCVE-0-2022-43973)

Vulnerability from cvelistv5 – Published: 2023-01-09 00:00 – Updated: 2025-04-09 14:20

Title

Arbitrary code execution in Linksys WRT54GL

Summary

Severity ?

7.2 (High)


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

CWE

CWE-78 - Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')

Assigner

trellix

References

URL

Tags

	https://youtu.be/73-1lhvJPNg
	https://youtu.be/TeWAmZaKQ_w
	https://youtu.be/RfWVYCUBNZ0

Impacted products

	Vendor	Product	Version
	Linksys	WRT54GL Wireless-G Broadband Router	Affected: Firmware , ≤ 4.30.18.006 (custom)

Credits

Jessie Chick of Trellix ARC

Show details on NVD website

JSON

To clipboard

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              "versionType": "custom"
            }
          ]
        }
      ],
      "credits": [
        {
          "lang": "en",
          "value": "Jessie Chick of Trellix ARC"
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "An arbitrary code execution vulnerability exisits in Linksys WRT54GL Wireless-G Broadband Router with firmware \u003c= 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."
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 7.2,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "HIGH",
            "privilegesRequired": "HIGH",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H",
            "version": "3.1"
          }
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-78",
              "description": "CWE-78: Improper Neutralization of Special Elements used in an OS Command (\u0027OS Command Injection\u0027)",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2023-01-09T00:00:00.000Z",
        "orgId": "01626437-bf8f-4d1c-912a-893b5eb04808",
        "shortName": "trellix"
      },
      "references": [
        {
          "url": "https://youtu.be/73-1lhvJPNg"
        },
        {
          "url": "https://youtu.be/TeWAmZaKQ_w"
        },
        {
          "url": "https://youtu.be/RfWVYCUBNZ0"
        }
      ],
      "source": {
        "discovery": "EXTERNAL"
      },
      "title": "Arbitrary code execution in Linksys WRT54GL",
      "x_generator": {
        "engine": "Vulnogram 0.0.9"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "01626437-bf8f-4d1c-912a-893b5eb04808",
    "assignerShortName": "trellix",
    "cveId": "CVE-2022-43973",
    "datePublished": "2023-01-09T00:00:00.000Z",
    "dateReserved": "2022-10-28T00:00:00.000Z",
    "dateUpdated": "2025-04-09T14:20:48.368Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1"
}

Sightings

Author	Source	Type	Date

Nomenclature

Seen: The vulnerability was mentioned, discussed, or observed by the user.
Confirmed: The vulnerability has been validated from an analyst's perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
Not confirmed: The user expressed doubt about the validity of the vulnerability.
Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

Detection rules are retrieved from Rulezet.

Action not permitted

VAR-202301-0949

CVE-2022-43973 (GCVE-0-2022-43973)

Tags

Sightings

Nomenclature