Is CVE-2026-7750 in the CISA KEV catalog?

No. CVE-2026-7750 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2026-7750?

CVE-2026-7750 has a CVSS v3 base score of 8.8 (HIGH).

What is the EPSS score for CVE-2026-7750?

CVE-2026-7750 has an EPSS score of 0.46% (37th percentile), estimating the probability of exploitation in the next 30 days.

CVE & CISA-KEV Catalog

CVE-2026-7750

HIGH

8.8

CVSS v3

NVD

Description

A vulnerability was detected in Totolink N300RH 3.2.4-B20220812. This vulnerability affects the function setMacFilterRules of the file /cgi-bin/cstecgi.cgi of the component POST Request Handler. The manipulation of the argument mac_address results in buffer overflow. The attack may be launched remotely. The exploit is now public and may be used.

CWE-119Buffer Overflow CWE-120

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredLow

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Exploit Intelligence

0.46%probability of exploitation in 30 days

37thpercentile

Low risk: more likely to be exploited than 37% of all known CVEs.

References

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-05-04.