How severe is CVE-2026-8987?

CVE-2026-8987 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2026-8987 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (42nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-8987?

CVE-2026-8987 primarily affects Autel Maxicharger Single Charger Firmware. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2026-8987?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2026-8987 published?

CVE-2026-8987 was published on 2026-07-21 and last updated on 2026-08-13.

CVE-2026-8987

CVE-2026-8987 is a high-severity vulnerability in Autel Maxicharger Single Charger Firmware with a CVSS 3.x base score of 8.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-122.

Key facts

Severity: High (CVSS 3.x base score 8.8)
CVSS v4: 9.4
EPSS exploit prediction: 1% (42nd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-122
Affected product: Autel Maxicharger Single Charger Firmware
Published: 2026-07-21
Last modified: 2026-08-13

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.

Frequently asked questions

What is CVE-2026-8987?: 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.
How severe is CVE-2026-8987?: CVE-2026-8987 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2026-8987 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (42nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-8987?: CVE-2026-8987 primarily affects Autel Maxicharger Single Charger Firmware. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2026-8987?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2026-8987 published?: CVE-2026-8987 was published on 2026-07-21 and last updated on 2026-08-13.

References

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

Affected products (2)

cpe:2.3:o:autel:maxicharger_single_charger_firmware:*:*:*:*:*:*:*:american_standard
cpe:2.3:o:autel:maxicharger_single_charger_firmware:*:*:*:*:*:*:*:european_standard

More vulnerabilities in Autel Maxicharger Single Charger Firmware

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