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TI-2022-21606 Aliases CVE-2022-43971GHSA-mmc2-hxc5-9423

Arbitrary code execution in Linksys WUMC710

Priority LOW 37CWE-78Published · Updated

Key facts

Attack vector
Network
Privileges required
High
User interaction
None
Attack complexity
Low
Impact type
Code execution
Confidentiality · integrity · availability
High · High · High
Fix status
No fix listed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-78.

Summary

An arbitrary code exection vulnerability exists in Linksys WUMC710 Wireless-AC Universal Media Connector with firmware <= 1.0.02 (build3). The do_setNTP 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 GET or POST request to /setNTP.cgi to execute arbitrary commands on the underlying Linux operating system as root.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.01745 77th percentileScored 2026-11-07
Public exploit Yes 3 exploit referencesTagged by NVD
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
LinksysLinksys WUMC710 Wireless-AC Universal Media ConnectorFirmware – 1.0.02 (build 3)—No fix listedCNA
  • Linksys WUMC710 Wireless-AC Universal Media Connector VendorLinksys Affected Firmware – 1.0.02 (build 3) Fixed in — No fix listed CNA

CPE configurations NVD · 4

CPEVersionsRoleVendor
cpe:2.3:o:linksys:wumc710_firmware:*:*:*:*:*:*:*:*before 1.0.02VulnerableLinksys
cpe:2.3:o:linksys:wumc710_firmware:1.0.02:-:*:*:*:*:*:*1.0.02VulnerableLinksys
cpe:2.3:o:linksys:wumc710_firmware:1.0.02:build3:*:*:*:*:*:*1.0.02 build3VulnerableLinksys
cpe:2.3:h:linksys:wumc710:-:*:*:*:*:*:*:*not specified by NVDRunning onLinksys
  • cpe:2.3:o:linksys:wumc710_firmware:*:*:*:*:*:*:*:* Versions before 1.0.02 Vulnerable ·Linksys
  • cpe:2.3:o:linksys:wumc710_firmware:1.0.02:-:*:*:*:*:*:* Versions 1.0.02 Vulnerable ·Linksys
  • cpe:2.3:o:linksys:wumc710_firmware:1.0.02:build3:*:*:*:*:*:* Versions 1.0.02 build3 Vulnerable ·Linksys
  • cpe:2.3:h:linksys:wumc710:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Linksys

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2022-43971
  2. 2026-10-03 Alias added: GHSA-mmc2-hxc5-9423

References

Exploit 3

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences