Medium severity · published Sep 5, 2026
CVE-2026-86187
WWBN AVideo Weak PRNG Password Generation via External Login
5.9
CVSS
0.4%
EPSS
No
On KEV
Description
WWBN AVideo generates passwords for external-login accounts using rand() instead of a cryptographic generator, producing only 31-bit integers. Attackers with access to password hashes can recover plaintext passwords in minutes through offline brute-force attacks due to unsalted MD5-based hashing.
CVSS vector
CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:N
Attack vector
Network
Complexity
High
Privileges
High
User interaction
None
Confidentiality
High
Integrity
High
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.4% · higher than 30% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
AV
AVideo · WWBN
through 29.0 · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-86187
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-86187
github.com
https://github.com/WWBN/AVideo/security/advisories/GHSA-h3ff-c2qq-pr2g
www.vulncheck.com
https://www.vulncheck.com/advisories/wwbn-avideo-weak-prng-password-generation-via-external-login
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