CVE•Published 2026-08-25•Modified 2026-09-03•1 article on news•5 live references•NVD data
CVE-2026-63586
Vulnerability data via NVD (ingested)
CVSS v3.1
9.8
CRITICAL
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS percentile
42
Exploit Prediction Scoring System · top 58% of all CVEs
Weaknesses (CWE)
Description
The web-based management interface uses a modified uhttpd server with CGI shell scripts. The HTTP Basic Authentication username, taken directly from the Authorization header without sanitization, is inserted into a shell command string executed via the system() function. By submitting a specially crafted username containing shell metacharacters, an unauthenticated attacker with network access to the device can escape the command context and execute arbitrary commands with root privileges.
Timeline
Published 2026-08-25
Modified 2026-09-03
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-2026-63586Country / ASN / product breakdown for the vuln query.
Censys
vulnerabilities.cve_id: CVE-2026-63586Censys host search filtered to this CVE id.
grep.app
CVE-2026-63586Public source-code mentions — fast PoC discovery.
GitHub code
CVE-2026-63586GitHub code search for direct mentions.
Google dork
"CVE-2026-63586" exploit -site:nvd.nist.govWrite-ups and news, NVD excluded.
Known PoCs on GitHub
No public proof-of-concept repositories found for CVE-2026-63586 on GitHub.