Is CVE-2026-36783 in the CISA KEV catalog?

No. CVE-2026-36783 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2026-36783?

CVE-2026-36783 has a CVSS v3 base score of 7.5 (HIGH).

What is the EPSS score for CVE-2026-36783?

CVE-2026-36783 has an EPSS score of 0.40% (31th percentile), estimating the probability of exploitation in the next 30 days.

CVE & CISA-KEV Catalog

CVE-2026-36783

HIGH

7.5

CVSS v3

NVD

Description

Shenzhen Tenda Technology Co., Ltd Tenda O3 Wireless Router v1.0.0.5(4180) was discovered to contain a stack overflow in the domain parameter of the fromNetToolGet function. This vulnerability allows attackers to cause a Denial of Service (DoS) via a crafted HTTP request.

CWE-121

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredNone

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityNone

IntegrityNone

AvailabilityHigh

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

Exploit Intelligence

0.40%probability of exploitation in 30 days

31stpercentile

Low risk: more likely to be exploited than 31% of all known CVEs.

References

https://github.com/xhh0124/SemVulLLM/tree/main/O3/fromNetToolGet

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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 2026-06-10.