THREATPORT/VULNERABILITY/CVE-2026-2537
MEDIUM SEVERITY

CVE-2026-2537

Cf E4 Firmware vulnerability

CVSS
4.7
EPSS
24.5%
EPSS pct
98th
Exploited
No known
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.
Affected vendor
Comfast
Affected product
Cf E4 Firmware
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:L
Weakness type (CWE)
Published
2026-02-16

Risk analysis

Based on its CVSS vector, this vulnerability is exploitable over the network, low attack complexity, requiring high privileges, no user interaction. Successful exploitation leads to low impact to confidentiality, low impact to integrity, low impact to availability.

Its EPSS score of 24.5% reflects a moderate probability of exploitation activity in the wild over the next 30 days, placing it above 98% of all scored CVEs.

Check your external exposure to CVE-2026-2537

  • Confirm whether Comfast Cf E4 Firmware is running on any internet-facing host or subdomain.
  • Match discovered service fingerprints against the version affected by CVE-2026-2537.
  • Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2026-2537

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2026-2537 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

Run a free external exposure scan

Are you exposed to CVE-2026-2537?

Run an instant, non-intrusive external scan to check your attack surface for CVE-2026-2537.

Start free scan

No credit card. Agentless.

Related vulnerabilities

MEDIUM
CVE-2015-6689
Acrobat vulnerability
MEDIUM
CVE-2015-6690
Acrobat vulnerability
MEDIUM
CVE-2015-6692
Acrobat vulnerability