CVE•Published 2026-08-17•Modified 2026-08-20•1 article on news•5 live references•NVD data
CVE-2026-74843
Vulnerability data via NVD (ingested)
CVSS v3.1
10.0
CRITICAL
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
EPSS percentile
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Weaknesses (CWE)
Description
A vulnerability was determined in Wavlink WN531P3 and WN535M1 V250922. Affected by this vulnerability is the function strcpy of the file /etc/lighttpd/www/cgi-bin/export_pingortrace.cgi of the component Export Pingortrace CGI. Executing a manipulation of the argument HTTP_COOKIE can lead to stack-based buffer overflow. The attack may be launched remotely. The exploit has been publicly disclosed and may be utilized. The vendor was contacted early about this disclosure.
Timeline
Published 2026-08-17
Modified 2026-08-20
External references
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).
More intel sources (5)
Shodan report
vuln:CVE-2026-74843Country / ASN / product breakdown for the vuln query.
Censys
vulnerabilities.cve_id: CVE-2026-74843Censys host search filtered to this CVE id.
grep.app
CVE-2026-74843Public source-code mentions — fast PoC discovery.
GitHub code
CVE-2026-74843GitHub code search for direct mentions.
Google dork
"CVE-2026-74843" exploit -site:nvd.nist.govWrite-ups and news, NVD excluded.
Known PoCs on GitHub
No public proof-of-concept repositories found for CVE-2026-74843 on GitHub.