CVE-2026-0731: A vulnerability has been found in TOTOLINK WA1200 5.9c.2914

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MEDIUM 5.3REMOTEMITIGATEMITIGATE

CVE-2026-0731 is a medium-severity flaw (CVSS 5.3) affecting wa1200-poe, wa1200-poe firmware. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

A vulnerability has been found in TOTOLINK WA1200 5.9c.2914. The impacted element is an unknown function of the file cstecgi.cgi of the component HTTP Request Handler. The manipulation leads to null pointer dereference. The attack is possible to be carried out remotely. The exploit has been disclosed to the public and may be used.

Why this priority

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	5.3 (Medium)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	0.7% (top 47%)
CISA exploited list	No
Weakness	CWE-404, CWE-476
Published	2026-01-08
Last modified	2026-06-17

Publisher (CNA): VulDB · Vendor: totolink

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

Am I affected?

Timeline

2026-01-08 23:15 UTCPublished CVE record published
2026-06-17 10:11 UTCUpdated Record last modified

totolink wa1200-poe MITIGATE

Affected: all versions

Fixed in: no fixed release known

Safe to downgrade to: no unaffected older release

Firmware

Install the latest firmware from the vendor advisory; if none, apply the vendor workaround.

totolink wa1200-poe firmware MITIGATE

Affected: 5.9c.2914

Fixed in: no fixed release known

Safe to downgrade to: a release before 5.9c.2914

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-2026-0731?

wa1200-poe: mitigate or apply the listed mitigation; wa1200-poe firmware: mitigate or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2026-0731 being exploited?

CVE-2026-0731 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-2026-0731 affect?

CVE-2026-0731 affects wa1200-poe, wa1200-poe firmware. Severity is medium (CVSS 5.3). A vulnerability has been found in TOTOLINK WA1200 5.9c.2914. The impacted element is an unknown function of the file cstecgi.cgi of the component HTTP Request Handler. The manipulation leads to null pointer dereference. The attack is possib

How urgent is CVE-2026-0731?

Priority 42/100. Public exploit reference; Remotely exploitable, no login, no user action

References

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