CVE-2026-8983: Autel Maxi Charger Single firmware through V1.03.51 contains a hard-coded authentication token that bypasses a

Q: How do I fix CVE-2026-8983?

maxicharger single charger firmware: upgrade to newer than 1.03.51. Exact commands for each OS are on this page.

Q: Is CVE-2026-8983 being exploited?

CVE-2026-8983 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2026-8983 affect?

CVE-2026-8983 affects maxicharger single charger firmware. Severity is critical (CVSS 9.8). 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 functio

Q: How urgent is CVE-2026-8983?

Priority 57/100. Critical severity; Public exploit reference; Remotely exploitable, no login, no user action

This week

CRITICAL 9.8REMOTEUPGRADE

CVE-2026-8983 is a critical-severity flaw (CVSS 9.8) affecting maxicharger single charger firmware. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

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.

Why this priority

Critical severity
Public exploit reference
Remotely exploitable, no login, no user action

A fixed release or distro patch exists.

Risk facts

CVSS score	9.8 (Critical)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	0.7% (top 48%)
CISA exploited list	No
Weakness	CWE-798
Published	2026-07-21
Last modified	2026-10-24

Publisher (CNA): CyberDanube · Vendor: autel

Last updated 2026-10-24 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2026-07-21 21:16 UTCPublished CVE record published
2026-10-24 19:10 UTCUpdated Record last modified

autel maxicharger single charger firmware UPGRADE

Affected: <= 1.03.51

Fixed in: newer than 1.03.51

Safe to downgrade to: no unaffected older release

Check your OS release

cat /etc/os-release; uname -r

Debian / Ubuntu

sudo apt update && sudo apt full-upgrade

RHEL / Amazon Linux / Fedora

sudo dnf upgrade --refresh

Windows

Install the latest cumulative update from Windows Update

If no patch exists yet

OS downgrades are not safe. Apply the vendor mitigation from the advisory and restrict exposure.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2026-8983?

maxicharger single charger firmware: upgrade to newer than 1.03.51. Exact commands for each OS are on this page.

Is CVE-2026-8983 being exploited?

CVE-2026-8983 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2026-8983 affect?

CVE-2026-8983 affects maxicharger single charger firmware. Severity is critical (CVSS 9.8). 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 functio

How urgent is CVE-2026-8983?

Priority 57/100. Critical severity; Public exploit reference; Remotely exploitable, no login, no user action

Related CVEs

CVE-2026-8982 HIGH 8.1 UPGRADE Two undocumented privileged accounts exist in Autel Maxi Charger Single firmware through V1.03.51
CVE-2026-8985 CRITICAL 9.8 UPGRADE Autel Maxi Charger Single firmware through V1.03.51 is vulnerable to OS command injection in the /test endpoin
CVE-2026-8986 CRITICAL 9.8 UPGRADE Autel Maxi Charger Single firmware through V1.03.51 is vulnerable to OS command injection when processing OCPP
CVE-2026-8984 CRITICAL 9.8 UPGRADE Autel Maxi Charger Single firmware through V1.03.51 allows unauthenticated remote code execution via the servi
CVE-2026-8987 HIGH 8.8 UPGRADE Autel Maxi Charger Single firmware through V1.03.51 contains a heap-based buffer overflow in the set_ap_param

References

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