HIGH 7.1 NVD
CVE-2026-108108
PHPNuxBill through 2025.3.20 contains an authentication bypass vulnerability in RADIUS CHAP verification because Password::chap_verify() returns true when the s
PHPNuxBill through 2025.3.20 contains an authentication bypass vulnerability in RADIUS CHAP verification because Password::chap_verify() returns true when the supplied response does not match. Attackers who know a valid customer or PPPoE username can log in through MikroTik hotspot or PPPoE CHAP with any incorrect password to obtain network access and consume that customer's plan.
References
- https://github.com/hotspotbilling/phpnuxbill
- https://github.com/hotspotbilling/phpnuxbill/blob/2025.3.13/system/autoload/Password.php#L
- https://github.com/hotspotbilling/phpnuxbill/security/advisories/GHSA-6f62-x25v-9686
- https://www.vulncheck.com/advisories/phpnuxbill-through-2025.3.20-chap-authentication-bypa
This high severity vulnerability with a CVSS score of 7.1 was published on 2026-10-09 via NVD.
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