CVE-2026-36841: TOTOLINK N200RE V5 was discovered to contain a command injection vulnerability via the macstr and bandstr para

This week

CRITICAL 9.8REMOTE

CVE-2026-36841 is a critical-severity flaw (CVSS 9.8) affecting affected software. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

TOTOLINK N200RE V5 was discovered to contain a command injection vulnerability via the macstr and bandstr parameters in the formMapDelDevice function.

Why this priority

Critical severity
CISA SSVC: public proof of concept
CISA SSVC: automatable with total technical impact
Remotely exploitable, no login, no user action

A fixed release or distro patch exists.

Risk facts

CVSS score	9.8 (Critical)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	1.1% (top 34%)
CISA exploited list	No
Weakness	CWE-77
Published	2026-04-29
Last modified	2026-06-17

Publisher (CNA): MITRE

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

Timeline

2026-04-29 15:16 UTCPublished CVE record published
2026-06-17 10:41 UTCUpdated Record last modified

Exact fixes by distribution

Fedora 46 · icecat · FIXED · 153.6.0-2.rh1.fc46 · FEDORA-2026-25e05b5320 · source

sudo dnf upgrade --advisory=FEDORA-2026-25e05b5320

Fedora ELN · edk2 · FIXED · 20260812-14.eln159 · FEDORA-2026-8850ef9153 · source

sudo dnf upgrade --advisory=FEDORA-2026-8850ef9153

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-2026-36841?

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

Is CVE-2026-36841 being exploited?

CVE-2026-36841 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-2026-36841 affect?

CVE-2026-36841 affects affected software. Severity is critical (CVSS 9.8). TOTOLINK N200RE V5 was discovered to contain a command injection vulnerability via the macstr and bandstr parameters in the formMapDelDevice function.

How urgent is CVE-2026-36841?

Priority 62/100. Critical severity; CISA SSVC: public proof of concept; CISA SSVC: automatable with total technical impact; Remotely exploitable, no login, no user action

References

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