How serious is CVE-2026-2534?

This vulnerability has a CVSS score of 5.3 out of 10, classified as MEDIUM severity. Proof-of-concept exploit code is publicly available, making this an active threat.

Is there exploit code available for CVE-2026-2534?

Yes, proof-of-concept exploit code for CVE-2026-2534 is publicly available on GitHub and security research platforms. This increases the risk of active exploitation.

Which products are affected by CVE-2026-2534?

CVE-2026-2534 affects comfast cf-n1 firmware. Check the full CVE details for specific version information.

How do I fix CVE-2026-2534?

To remediate CVE-2026-2534, check for security patches from comfast. Apply all available updates and security patches. If no patch is available, implement recommended workarounds or security controls to mitigate the risk.

CVE-2026-2534

Medium

|5.3

Exploit Available

Plain English Summary

AI-powered analysis for quick understanding

This vulnerability allows an attacker to remotely execute arbitrary commands on the Comfast CF-N1 router by manipulating a specific setting related to bandwidth. The issue arises when the router's firmware processes this input without proper checks, making it possible for anyone with access to the router's configuration interface to exploit it.

Technical Description

A vulnerability has been found in Comfast CF-N1 V2 2.6.0.2. The affected element is the function sub_44AC4C of the file /cgi-bin/mbox-config?method=SET&section=ptest_bandwidth. The manipulation of the argument bandwidth leads to command injection. The attack can be initiated remotely. The exploit has been disclosed to the public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.

CVSS Vector Analysis

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredLow

User InteractionNone

Confidentiality ImpactHigh

Integrity ImpactHigh

Availability ImpactHigh

ScopeChanged

Vector String

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Exploit Resources

Search for proof-of-concept code and exploit modules

GitHub Search Exploit-DB Nuclei Templates Metasploit Vulners

Official References

NIST NVD

Est. Bounty

$724($500-$1K)

Vendor Response

Grade APatched in 3 days

Quick Information

Published

Feb 16, 2026

about 2 months ago

Last Modified

Feb 19, 2026

about 2 months ago

Vendor

comfast

Product

cf-n1 firmware

Related Vulnerabilities

CVE-2026-2535Medium

An attacker can remotely execute arbitrary commands on the Comfast CF-N1 firmware by manipulating a specific setting in the device's configuration. This vulnerability can be exploited without needing physical access to the device, making it a significant risk if the firmware is not updated.