What is CVE-2026-8983?

CVE-2026-8983 is a critical-severity vulnerability in Autel Maxicharger Single, classified under Use of Hard-coded Credentials. CVSS score: 9.8/10. Published 2026-07-21.

How severe is CVE-2026-8983?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Vulnerability in Autel Maxicharger Single

CVE-2026-8983

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.

Published 2026-07-21 · last modified 2026-08-12.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.007 (52.1th percentile), scored 2026-10-22.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 52nd percentile — 52.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.004 · newest: 0.007 · change: +0.003

Affected products

Weakness classification (CWE)

CWE-798 — Use of Hard-coded Credentials

References

cyberdanube.com/security-research/multiple-vulnerabilities-in-autel-maxi-charge… (Exploit, Third Party Advisory, exploit, third-party-advisory)

Frequently asked questions

What is CVE-2026-8983?: CVE-2026-8983 is a critical-severity vulnerability in Autel Maxicharger Single, classified under Use of Hard-coded Credentials. CVSS score: 9.8/10. Published 2026-07-21.
How severe is CVE-2026-8983?: Critical severity. CVSS v3 base score is 9.8 out of 10.