CVE•Published 2026-06-25•Modified 2026-06-25•0 articles on news•6 live references•NVD data

CVE-2026-40208

Vulnerability data via NVD (ingested)

CVSS v3.1

3.7

LOW

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

EPSS percentile

—

Weaknesses (CWE)

CWE-705Incorrect Control Flow Scoping

Description

An attacker might be able to delay the processing of DoH3 queries by sending DoH3 GET queries with an invalid DATA frame.

Timeline

Published 2026-06-25

Modified 2026-06-25

External references

NVD MITRE Exploit-DB GitHub PoC Sploitus VulnCheck

Search for exposed instances

Shodan + Censys queries derived from NVD's CPE data. The vuln tag catches assets Shodan has explicitly linked to this CVE; the product / banner fingerprints find exposed instances even when the vuln tag was never applied (which is common).

Shodan · vuln tag0 hosts

vuln:CVE-2026-40208

Hosts Shodan has explicitly fingerprinted as vulnerable.

More intel sources (5)

Shodan report

vuln:CVE-2026-40208

Country / ASN / product breakdown for the vuln query.

Censys

vulnerabilities.cve_id: CVE-2026-40208

Censys host search filtered to this CVE id.

grep.app

CVE-2026-40208

Public source-code mentions — fast PoC discovery.

GitHub code

CVE-2026-40208

GitHub code search for direct mentions.

Google dork

"CVE-2026-40208" exploit -site:nvd.nist.gov

Write-ups and news, NVD excluded.

Known PoCs on GitHub (1)

CVE-2026-402081 repo

ClankerPwn/Mammotion-l4wnm0w3runknown

Mammotion l4wnm0w3r — cuz sometimes ya gotta mow someone else's lawn just for fun

★ 3·updated 2w ago

We haven't classified any articles referencing CVE-2026-40208 yet. The external references above still apply.