Vulnerability · Published Jul 21, 2026 · Assigned by CyberDanube
CVE-2026-8987Authenticated Heap Overflow
Critical 9.4
In plain English
A critical-severity heap buffer overflow 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 0.6% (higher than 51% of all known vulnerabilities).
Severity (CVSS 4.0)9.4Critical
Exploit odds (30 days)0.6%top 49.3% 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 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.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Autel | MaxiCharger Single | 0 – through V1.03.51 |
Weakness: CWE-122 · Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/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