CVE-2025-57293: A command injection vulnerability in COMFAST CF-XR11 (firmware V2.7.2) exists in the multi_pppoe API, processe

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HIGH 8.8MITIGATE

CVE-2025-57293 is a high-severity flaw (CVSS 8.8) affecting cf-xr11 firmware. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

A command injection vulnerability in COMFAST CF-XR11 (firmware V2.7.2) exists in the multi_pppoe API, processed by the sub_423930 function in /usr/bin/webmgnt. The phy_interface parameter is not sanitized, allowing attackers to inject arbitrary commands via a POST request to /cgi-bin/mbox-config?method=SET&section=multi_pppoe. When the action parameter is set to "one_click_redial", the unsanitized phy_interface is used in a system() call, enablin

Why this priority

High severity
Public exploit reference

No fix is published yet: follow the downgrade or mitigation steps.

Risk facts

CVSS score	8.8 (High)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	Required
EPSS exploit chance	1.7% (top 23%)
CISA exploited list	No
Weakness	CWE-77
Published	2025-09-18
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: comfast

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2025-09-18 21:15 UTCPublished CVE record published
2026-06-17 09:42 UTCUpdated Record last modified

comfast cf-xr11 firmware MITIGATE

Affected: 2.7.2

Fixed in: no fixed release known

Safe to downgrade to: a release before 2.7.2

Check your OS release

cat /etc/os-release; uname -r

Debian / Ubuntu

sudo apt update && sudo apt full-upgrade

RHEL / Amazon Linux / Fedora

sudo dnf upgrade --refresh

Windows

Install the latest cumulative update from Windows Update

If no patch exists yet

OS downgrades are not safe. Apply the vendor mitigation from the advisory and restrict exposure.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2025-57293?

cf-xr11 firmware: mitigate or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2025-57293 being exploited?

CVE-2025-57293 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2025-57293 affect?

CVE-2025-57293 affects cf-xr11 firmware. Severity is high (CVSS 8.8). A command injection vulnerability in COMFAST CF-XR11 (firmware V2.7.2) exists in the multi_pppoe API, processed by the sub_423930 function in /usr/bin/webmgnt. The phy_interface parameter is not sanitized, allowing attackers to inject arbit

How urgent is CVE-2025-57293?

Priority 55/100. High severity; Public exploit reference

Related CVEs

CVE-2024-44466 CRITICAL 9.8 MITIGATE COMFAST CF-XR11 V2.7.2 has a command injection vulnerability in function sub_424CB4

References

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