CVE-2026-2537Exploit(comfast / cf-e4)

LOWCVSS 7.2 · HIGH

Exploit discussion active in current signal (1 latest mentions)

Immediate actions

  • Hunt for exploitation attempts and persistence artifacts
  • Increase monitoring for publicly documented tradecraft
  • Track advisory updates for patch or workaround availability

Recommended action window: High priority (within 72h)

NVD description

A vulnerability was identified in Comfast CF-E4 2.6.0.1. This impacts an unknown function of the file /cgi-bin/mbox-config?method=SET&section=ntp_timezone of the component HTTP POST Request Handler. Such manipulation of the argument timestr leads to command injection. The attack may be launched remotely. The exploit is publicly available and might be used. The vendor was contacted early about this disclosure but did not respond in any way.

1.5/ 10 priority

Sources & remediation

Weakness type (CWE)
CWE-74CWE-77

Priority

LOW

Exploitation

NONE

PoC

YES

Patch

NONE

Momentum

NONE

Are you affected?

If you run products in this scope, you should treat this CVE as relevant to your environment.

  • cf-e4
  • cf-e4_firmware

Threat summary

  • Public PoC is present in monitored signal
  • 1 mentions across 1 observed day

What's happening

  • PoC mentioned or linked in 1 signal
  • Technical details provided in 1 signal
  • Exploit: 1 classified signal
  • 1 total mentions across 1 day

Affected systems

Vendors
Products
cf-e4cf-e4_firmware

2 versions affected across 2 products

Deep dive

Activity timeline1 mentions / 1d
00111Mentions · 2026-02-18: 1PoC Mentioned / Linked · 2026-02-18: 1Technical Details · 2026-02-18: 102-18
Signal classification1 categories
Exploit
1100.0%
Full discourse1 post
  • Cybersecurity Aide@SecAideInfo
    Exploit

    🚨 Alert: CVE-2026-2537 identified in Comfast CF-E4 2.6.0.1. Vulnerability in /cgi-bin/ HTTP POST handler allows remote command injection via `timestr` parameter. Exploit is public! 🕵️‍♀️ Vendor remains silent. Stay secure! 🔐 #CyberSecurity #PatchNow #Infosec

    Post summary

    CVE‑2026‑2537 in Comfast CF‑E4 2.6.0.1 permits remote command injection via the `timestr` parameter; a public exploit is available, but no patch or mitigation is mentioned.

    0000029
    20 followersView on X
CPE platform detail2 entries

2 of 2 entries

PartVendorProductVersionTarget SWTarget HW
HWcomfastcf-e4---
OScomfastcf-e4_firmware2.6.0.1--

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