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TI-2026-03615 Aliases CVE-2026-4167GHSA-26fg-fjwm-xwm6

Belkin F9K1122 formReboot stack-based overflow

Priority HIGH 73CWE-119Published · Updated

Key facts

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

Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-119 and the CVSS impact.

Summary

A vulnerability was determined in Belkin F9K1122 1.00.33. This affects the function formReboot of the file /goform/formReboot. This manipulation of the argument webpage causes stack-based buffer overflow. The attack may be initiated remotely. The exploit has been publicly disclosed and may be utilized. The vendor was contacted early about this disclosure but did not respond in any way.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00473 41st percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by the CNA
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
BelkinF9K11221.00.33—No fix listedCNA
  • F9K1122 VendorBelkin Affected 1.00.33 Fixed in — No fix listed CNA

CPE names CNA · 1

CPEVersionsRoleVendor
cpe:2.3:o:belkin:f9k1122_firmware:*:*:*:*:*:*:*:*——Belkin
  • cpe:2.3:o:belkin:f9k1122_firmware:*:*:*:*:*:*:*:* Versions — — ·Belkin

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-4167
  2. 2026-10-03 Alias added: GHSA-26fg-fjwm-xwm6
  3. 2026-10-25 EPSS moved to the below the 50th percentile

References

Exploit 1

Other 1

  • TI-2023-11982 A stack-based buffer overflow in the ChangeFriendlyName() function of Belkin Smart Outlet… CVSS 3.1CRITICAL 9.8
  • TI-2025-07986 Belkin F9K1009/F9K1010 Web Interface hard-coded credentials CVSS 4.0CRITICAL 9.3
  • TI-2019-09566 The Belkin Wemo Enabled Crock-Pot allows command injection in the Wemo UPnP API via the… CVSS 3.0CRITICAL 9.8
  • TI-2014-01269 Buffer overflow in login.cgi in MiniHttpd in Belkin N750 Router with firmware before… CVSS 2.0HIGH 10.0
  • TI-2018-01059 OS command injection in Belkin N750 DB Wi-Fi Dual-Band N+ Gigabit Router CVSS 3.0CRITICAL 9.8
  • TI-2026-04937 Belkin F9K1015 formSetFirewall stack-based overflow CVSS 4.0HIGH 8.7
See all 91 →

Sources

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