Read the docs
TI-2023-15195 Aliases CVE-2023-31740GHSA-crx4-hwqf-949w

There is a command injection vulnerability in the Linksys E2000 router with firmware…

Priority HIGH 67CWE-77Published · 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 · CISA ADP. Fix status from CNA. Impact type from CWE-77.

Summary

There is a command injection vulnerability in the Linksys E2000 router with firmware version 1.0.06. If an attacker gains web management privileges, they can inject commands into the post request parameters WL_atten_bb, WL_atten_radio, and WL_atten_ctl in the apply.cgi interface, thereby gaining shell privileges.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.02374 83rd percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
Poc
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
——all versions—No fix listedCNA
  • — Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 2

CPEVersionsRoleVendor
cpe:2.3:o:linksys:e2000_firmware:1.0.06:*:*:*:*:*:*:*1.0.06VulnerableLinksys
cpe:2.3:h:linksys:e2000:-:*:*:*:*:*:*:*not specified by NVDRunning onLinksys
  • cpe:2.3:o:linksys:e2000_firmware:1.0.06:*:*:*:*:*:*:* Versions 1.0.06 Vulnerable ·Linksys
  • cpe:2.3:h:linksys:e2000:-:*:*:*:*:*:*:* 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-2023-31740
  2. 2026-10-03 Alias added: GHSA-crx4-hwqf-949w

References

Exploit 1

  • TI-2023-15196 There is a command injection vulnerability in the Linksys E2000 router with firmware… CVSS 3.1HIGH 7.2
  • TI-2024-18285 Linksys E2000 Ver.1.0.06 build 1 is vulnerable to authentication bypass via the position.js file. CVSS 3.1HIGH 8.8

Sources

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