CVE-2025-50611: A buffer overflow vulnerability has been discovered in Netis WF2880 v2.1.40207 in the FUN_00473154 function of

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HIGH 7.5REMOTEMITIGATE

CVE-2025-50611 is a high-severity flaw (CVSS 7.5) affecting wf2880 firmware. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

A buffer overflow vulnerability has been discovered in Netis WF2880 v2.1.40207 in the FUN_00473154 function of the cgitest.cgi file. Attackers can trigger this vulnerability by controlling the value of wl_sec_set_5g and wl_sec_rp_set_5g in the payload, which can cause the program to crash and potentially lead to a Denial of Service (DoS) attack.

Why this priority

High severity
Public exploit reference
Remotely exploitable, no login, no user action

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

Risk facts

CVSS score	7.5 (High)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	0.4% (top 66%)
CISA exploited list	No
Weakness	CWE-120
Published	2025-08-13
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: netis-systems

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

Am I affected?

Timeline

2025-08-13 16:15 UTCPublished CVE record published
2026-06-17 09:35 UTCUpdated Record last modified

netis-systems wf2880 firmware MITIGATE

Affected: 2.1.40207

Fixed in: no fixed release known

Safe to downgrade to: a release before 2.1.40207

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-2025-50611?

wf2880 firmware: mitigate or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2025-50611 being exploited?

CVE-2025-50611 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-2025-50611 affect?

CVE-2025-50611 affects wf2880 firmware. Severity is high (CVSS 7.5). A buffer overflow vulnerability has been discovered in Netis WF2880 v2.1.40207 in the FUN_00473154 function of the cgitest.cgi file. Attackers can trigger this vulnerability by controlling the value of wl_sec_set_5g and wl_sec_rp_set_5g in

How urgent is CVE-2025-50611?

Priority 45/100. High severity; Public exploit reference; Remotely exploitable, no login, no user action

Related CVEs

CVE-2025-50617 HIGH 7.5 MITIGATE A buffer overflow vulnerability has been discovered in Netis WF2880 v2.1.40207 in the FUN_0046ed68 function of
CVE-2025-50616 HIGH 7.5 MITIGATE A buffer overflow vulnerability has been discovered in Netis WF2880 v2.1.40207 in the FUN_0046f984 function of
CVE-2025-50615 HIGH 7.5 MITIGATE A buffer overflow vulnerability has been discovered in Netis WF2880 v2.1.40207 in the FUN_00470c50 function of
CVE-2025-50614 HIGH 7.5 MITIGATE A buffer overflow vulnerability has been discovered in the Netis WF2880 v2.1.40207 in the FUN_0047151c functio
CVE-2025-50613 HIGH 7.5 MITIGATE A buffer overflow vulnerability has been discovered in Netis WF2880 v2.1.40207 in the FUN_00475e1c function of

References

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