How severe is CVE-2026-3696?

CVE-2026-3696 has a CVSS 3.x base score of 7.3, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability low.

Is CVE-2026-3696 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (77th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-3696?

CVE-2026-3696 affects Totolink N300rh Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-3696?

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

Does CVE-2026-3696 have an EU (EUVD) identifier?

Yes. CVE-2026-3696 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-10203.

When was CVE-2026-3696 published?

CVE-2026-3696 was published on 2026-03-08 and last updated on 2026-06-17.

CVE-2026-3696

CVE-2026-3696 is a high-severity vulnerability in Totolink N300rh Firmware with a CVSS 3.x base score of 7.3. 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-78.

Key facts

Severity: High (CVSS 3.x base score 7.3)
CVSS v2: 7.5
CVSS v4: 5.5
EPSS exploit prediction: 2% (77th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-10203
Weakness: CWE-78
Affected product: Totolink N300rh Firmware
Published: 2026-03-08
Last modified: 2026-06-17

Description

A vulnerability was found in Totolink N300RH 6..1c.1353_B20190305. The affected element is the function setWiFiWpsConfig of the file /cgi-bin/cstecgi.cgi of the component CGI Handler. Performing a manipulation results in os command injection. The attack can be initiated remotely. The exploit has been made public and could be used.

Frequently asked questions

What is CVE-2026-3696?: A vulnerability was found in Totolink N300RH 6..1c.1353_B20190305. The affected element is the function setWiFiWpsConfig of the file /cgi-bin/cstecgi.cgi of the component CGI Handler. Performing a manipulation results in os command injection. The attack can be initiated remotely. The exploit has been made public and could be used.
How severe is CVE-2026-3696?: CVE-2026-3696 has a CVSS 3.x base score of 7.3, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability low.
Is CVE-2026-3696 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (77th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-3696?: CVE-2026-3696 affects Totolink N300rh Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-3696?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
Does CVE-2026-3696 have an EU (EUVD) identifier?: Yes. CVE-2026-3696 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-10203.
When was CVE-2026-3696 published?: CVE-2026-3696 was published on 2026-03-08 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:o:totolink:n300rh_firmware:6.1c.1353_b20190305:*:*:*:*:*:*:*

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