CVE-2026-100896: A weakness has been identified in TOTOLINK N150RT 3.4.0-B20201030

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CRITICAL 9.9

CVE-2026-100896 is a critical-severity flaw (CVSS 9.9) affecting affected software. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

A weakness has been identified in TOTOLINK N150RT 3.4.0-B20201030. The affected element is the function system of the file /boafrm/formWlSiteSurvey of the component Web Management Interface. This manipulation of the argument wlanif causes os command injection. Remote exploitation of the attack is possible. The exploit has been made available to the public and could be used for attacks.

Why this priority

Critical severity
CISA SSVC: public proof of concept

A fixed release or distro patch exists.

Risk facts

CVSS score	9.9 (Critical)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	Low
User interaction	None
EPSS exploit chance	1.9% (top 21%)
CISA exploited list	No
Weakness	CWE-77, CWE-78
Published	2026-09-28
Last modified	2026-09-28

Publisher (CNA): VulDB

Last updated 2026-09-28 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Timeline

2026-09-28 02:17 UTCPublished CVE record published
2026-09-28 15:16 UTCUpdated Record last modified

Exact fixes by distribution

Fedora 46 · fio · FIXED · 3.43-2.fc46 · FEDORA-2026-b36219886b · source

sudo dnf upgrade --advisory=FEDORA-2026-b36219886b

Fedora ELN · weston · FIXED · 16.0.2-1.eln159 · FEDORA-2026-b98ccaa6a0 · source

sudo dnf upgrade --advisory=FEDORA-2026-b98ccaa6a0

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-2026-100896?

No fixed release is listed yet. Watch the vendor advisory and apply any mitigation shown on this page.

Is CVE-2026-100896 being exploited?

CVE-2026-100896 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-2026-100896 affect?

CVE-2026-100896 affects affected software. Severity is critical (CVSS 9.9). A weakness has been identified in TOTOLINK N150RT 3.4.0-B20201030. The affected element is the function system of the file /boafrm/formWlSiteSurvey of the component Web Management Interface. This manipulation of the argument wlanif causes o

How urgent is CVE-2026-100896?

Priority 57/100. Critical severity; CISA SSVC: public proof of concept

References

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