How severe is CVE-2026-7633?

CVE-2026-7633 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity low, and availability low.

Is CVE-2026-7633 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (25th percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2026-7633?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2026-7633 have an EU (EUVD) identifier?

Yes. CVE-2026-7633 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-26795.

When was CVE-2026-7633 published?

CVE-2026-7633 was published on 2026-05-02 and last updated on 2026-06-17.

CVE-2026-7633

CVE-2026-7633 is a medium-severity vulnerability with a CVSS 3.x base score of 6.5. 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-73.

Key facts

Severity: Medium (CVSS 3.x base score 6.5)
CVSS v2: 6.4
CVSS v4: 5.5
EPSS exploit prediction: 0% (25th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-26795
Weakness: CWE-73
Published: 2026-05-02
Last modified: 2026-06-17

Description

A vulnerability was identified in Totolink N300RH 6.1c.1353_B20190305. This impacts the function setUploadSetting of the file /cgi-bin/cstecgi.cgi. Such manipulation of the argument FileName leads to file inclusion. The attack may be performed from remote. The exploit is publicly available and might be used.

Frequently asked questions

What is CVE-2026-7633?: A vulnerability was identified in Totolink N300RH 6.1c.1353_B20190305. This impacts the function setUploadSetting of the file /cgi-bin/cstecgi.cgi. Such manipulation of the argument FileName leads to file inclusion. The attack may be performed from remote. The exploit is publicly available and might be used.
How severe is CVE-2026-7633?: CVE-2026-7633 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity low, and availability low.
Is CVE-2026-7633 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (25th percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2026-7633?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2026-7633 have an EU (EUVD) identifier?: Yes. CVE-2026-7633 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-26795.
When was CVE-2026-7633 published?: CVE-2026-7633 was published on 2026-05-02 and last updated on 2026-06-17.

References

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