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TI-2026-53891 Aliases CVE-2026-77148GHSA-j7x2-7p87-73vg

Comfast CF-N1-S Web Management mbox-config sub_44B50C stack-based overflow

Priority HIGH 76CWE-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 found in Comfast CF-N1-S 2.6.0.1. This impacts the function sub_44B50C of the file /cgi-bin/mbox-config?method=SET&section=ptest_channel of the component Web Management. The manipulation results in stack-based buffer overflow. The attack can be launched remotely. The exploit has been made public and could be used.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00792 56th 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
ComfastCF-N1-S2.6.0.1—No fix listedCNA
  • CF-N1-S VendorComfast Affected 2.6.0.1 Fixed in — No fix listed CNA

CPE names CNA · 1

CPEVersionsRoleVendor
cpe:2.3:a:comfast:cf-n1-s:*:*:*:*:*:*:*:*——Comfast
  • cpe:2.3:a:comfast:cf-n1-s:*:*:*:*:*:*:*:* Versions — — ·Comfast

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-77148
  2. 2026-10-03 Alias added: GHSA-j7x2-7p87-73vg

References

Exploit 1

  • TI-2026-63261 Comfast CF-N1-S Web Management mbox-config get_css_path_from_uri stack-based overflow CVSS 4.0CRITICAL 10.0
  • TI-2024-29900 COMFAST CF-XR11 V2.7.2 has a command injection vulnerability in function sub_424CB4. CVSS 3.1CRITICAL 9.8
  • TI-2023-20142 COMFAST CF-XR11 V2.7.2 has a command injection vulnerability detected at function… CVSS 3.1CRITICAL 9.8
  • TI-2023-20141 COMFAST CF-XR11 V2.7.2 has a command injection vulnerability detected at function… CVSS 3.1CRITICAL 9.8
  • TI-2023-20140 An issue in COMFAST CF-XR11 v.2.7.2 allows an attacker to execute arbitrary code via the… CVSS 3.1CRITICAL 9.8
  • TI-2023-20139 An issue in COMFAST CF-XR11 v.2.7.2 allows an attacker to execute arbitrary code via the… CVSS 3.1CRITICAL 9.8
See all 36 →

Sources

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