How severe is CVE-2026-8983?

CVE-2026-8983 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2026-8983 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (36th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-8983?

CVE-2026-8983 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-2026-8983?

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

When was CVE-2026-8983 published?

CVE-2026-8983 was published on 2026-07-21 and last updated on 2026-08-12.

CVE-2026-8983

CVE-2026-8983 is a critical-severity vulnerability in Autel Maxicharger Single Charger Firmware with a CVSS 3.x base score of 9.8. 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-798.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
CVSS v4: 10.0
EPSS exploit prediction: 0% (36th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-798
Affected product: Autel Maxicharger Single Charger Firmware
Published: 2026-07-21
Last modified: 2026-08-12

Description

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.

Frequently asked questions

What is 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.
How severe is CVE-2026-8983?: CVE-2026-8983 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2026-8983 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (36th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-8983?: CVE-2026-8983 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-2026-8983?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2026-8983 published?: CVE-2026-8983 was published on 2026-07-21 and last updated on 2026-08-12.

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

CVE-2026-8986 — Critical (CVSS 9.8): Autel Maxi Charger Single firmware through V1.03.51 is vulnerable to OS command injection when processing OCPP…
CVE-2026-8985 — Critical (CVSS 9.8): Autel Maxi Charger Single firmware through V1.03.51 is vulnerable to OS command injection in the /test endpoint exposed…
CVE-2026-8984 — Critical (CVSS 9.8): Autel Maxi Charger Single firmware through V1.03.51 allows unauthenticated remote code execution via the service…
CVE-2026-8987 — 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…
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CVE-2025-5827 — High (CVSS 8.8): Autel MaxiCharger AC Wallbox Commercial ble_process_esp32_msg Stack-based Buffer Overflow Remote Code Execution…

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