Vulnerability · Published Jul 21, 2026 · Assigned by CyberDanube
CVE-2026-8983Backdoor Authentication Token
Critical 10.0
In plain English
A critical-severity hard-coded credentials in MaxiCharger Single from Autel. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.7% (higher than 53% of all known vulnerabilities).
Severity (CVSS 4.0)10.0Critical
Exploit odds (30 days)0.7%top 47.1% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known
Official description
Autel Maxi Charger Single firmware through V1.03.51 contains a hard-coded authentication token that bypasses authorization checks for multiple management endpoints. An attacker can supply the special token value to invoke privileged functionality without valid authentication.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Autel | MaxiCharger Single | 0 – through V1.03.51 |
Weakness: CWE-798 · Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H
References
- https://cyberdanube.com/security-research/multiple-vulnerabilities-in-autel-maxi-charger/ third-party-advisory, exploit