How severe is CVE-2026-36841?

CVE-2026-36841 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2026-36841 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (62nd percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2026-36841?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

Does CVE-2026-36841 have an EU (EUVD) identifier?

Yes. CVE-2026-36841 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-26231.

When was CVE-2026-36841 published?

CVE-2026-36841 was published on 2026-04-29 and last updated on 2026-06-17.

CVE-2026-36841

CVE-2026-36841 is a critical-severity vulnerability with a CVSS 3.x base score of 9.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-77.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
EPSS exploit prediction: 1% (62nd percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-26231
Weakness: CWE-77
Published: 2026-04-29
Last modified: 2026-06-17

Description

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

Frequently asked questions

What is CVE-2026-36841?: TOTOLINK N200RE V5 was discovered to contain a command injection vulnerability via the macstr and bandstr parameters in the formMapDelDevice function.
How severe is CVE-2026-36841?: CVE-2026-36841 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2026-36841 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (62nd percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2026-36841?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
Does CVE-2026-36841 have an EU (EUVD) identifier?: Yes. CVE-2026-36841 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-26231.
When was CVE-2026-36841 published?: CVE-2026-36841 was published on 2026-04-29 and last updated on 2026-06-17.

References

https://github.com/0xmania/cve/tree/main/TOTOLINK-N200RE_V5-cstecgi-formMapDelDevice-CommandInjection

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