CVE-2026-8987: Autel Maxi Charger Single firmware through V1.03.51 contains a heap-based buffer overflow in the set_ap_param

Q: How do I fix CVE-2026-8987?

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

Q: Is CVE-2026-8987 being exploited?

CVE-2026-8987 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-2026-8987 affect?

CVE-2026-8987 affects maxicharger single charger firmware. Severity is high (CVSS 8.8). Autel Maxi Charger Single firmware through V1.03.51 contains a heap-based buffer overflow in the set_ap_param command handled by the /localcfg endpoint. An authenticated attacker can supply oversized input, resulting in denial of service an

Q: How urgent is CVE-2026-8987?

Priority 48/100. High severity; Public exploit reference

This month

HIGH 8.8UPGRADE

CVE-2026-8987 is a high-severity flaw (CVSS 8.8) 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 heap-based buffer overflow in the set_ap_param command handled by the /localcfg endpoint. An authenticated attacker can supply oversized input, resulting in denial of service and potentially arbitrary code execution.

Why this priority

High severity
Public exploit reference

A fixed release or distro patch exists.

Risk facts

CVSS score	8.8 (High)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	Low
User interaction	None
EPSS exploit chance	0.6% (top 50%)
CISA exploited list	No
Weakness	CWE-122
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 22:19 UTCPublished CVE record published
2026-10-24 17:10 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.

Exact fixes by distribution

Fedora 46 · newscache · FIXED · 1.3.22-1.fc46 · FEDORA-2026-49b088f8ca · source

sudo dnf upgrade --advisory=FEDORA-2026-49b088f8ca

Fedora ELN · selinux-policy · FIXED · 45.23-1.eln159 · FEDORA-2026-3668c969a2 · source

sudo dnf upgrade --advisory=FEDORA-2026-3668c969a2

Public exploits and detection

Public code exists for this CVE. Treat unpatched systems as at risk, and only run PoCs in a lab.

Write-up: cyberdanube.com/security-research/multiple-vulnerabilities-in-autel-maxi-charger/

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-2026-8987?

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

Is CVE-2026-8987 being exploited?

CVE-2026-8987 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-2026-8987 affect?

CVE-2026-8987 affects maxicharger single charger firmware. Severity is high (CVSS 8.8). Autel Maxi Charger Single firmware through V1.03.51 contains a heap-based buffer overflow in the set_ap_param command handled by the /localcfg endpoint. An authenticated attacker can supply oversized input, resulting in denial of service an

How urgent is CVE-2026-8987?

Priority 48/100. High severity; Public exploit reference

Related CVEs

CVE-2026-8983 CRITICAL 9.8 UPGRADE Autel Maxi Charger Single firmware through V1.03.51 contains a hard-coded authentication token that bypasses a
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

References

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