How severe is CVE-2025-5826?

CVE-2025-5826 has a CVSS 3.x base score of 6.3, rated medium severity. It is exploitable over an adjacent network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability low.

Is CVE-2025-5826 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (13th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-5826?

CVE-2025-5826 primarily affects Autel Maxicharger Ac Elite Business C50 Firmware. In total, 18 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2025-5826?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2025-5826 have an EU (EUVD) identifier?

Yes. CVE-2025-5826 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-28668.

When was CVE-2025-5826 published?

CVE-2025-5826 was published on 2025-06-25 and last updated on 2026-06-17.

CVE-2025-5826

CVE-2025-5826 is a medium-severity vulnerability in Autel Maxicharger Ac Elite Business C50 Firmware with a CVSS 3.x base score of 6.3. 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-115.

Key facts

Severity: Medium (CVSS 3.x base score 6.3)
EPSS exploit prediction: 0% (13th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-28668
Weakness: CWE-115
Affected product: Autel Maxicharger Ac Elite Business C50 Firmware
Published: 2025-06-25
Last modified: 2026-06-17

Description

Autel MaxiCharger AC Wallbox Commercial ble_process_esp32_msg Misinterpretation of Input Vulnerability. This vulnerability allows network-adjacent attackers to inject arbitrary AT commands on affected installations of Autel MaxiCharger AC Wallbox Commercial charging stations. Authentication is not required to exploit this vulnerability. The specific flaw exists within the ble_process_esp32_msg function. The issue results from misinterpretation of input data. An attacker can leverage this vulnerability to execute AT commands in the context of the device. Was ZDI-CAN-26368.

Frequently asked questions

What is CVE-2025-5826?: Autel MaxiCharger AC Wallbox Commercial ble_process_esp32_msg Misinterpretation of Input Vulnerability. This vulnerability allows network-adjacent attackers to inject arbitrary AT commands on affected installations of Autel MaxiCharger AC Wallbox Commercial charging stations. Authentication is not required to exploit this vulnerability. The specific flaw exists within the ble_process_esp32_msg function. The issue results from misinterpretation of input data. An attacker can leverage this vulnerability to execute AT commands in the context of the device. Was ZDI-CAN-26368.
How severe is CVE-2025-5826?: CVE-2025-5826 has a CVSS 3.x base score of 6.3, rated medium severity. It is exploitable over an adjacent network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability low.
Is CVE-2025-5826 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (13th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-5826?: CVE-2025-5826 primarily affects Autel Maxicharger Ac Elite Business C50 Firmware. In total, 18 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2025-5826?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2025-5826 have an EU (EUVD) identifier?: Yes. CVE-2025-5826 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-28668.
When was CVE-2025-5826 published?: CVE-2025-5826 was published on 2025-06-25 and last updated on 2026-06-17.

References

https://www.zerodayinitiative.com/advisories/ZDI-25-345/

Affected products (18)

cpe:2.3:o:autel:maxicharger_ac_elite_business_c50_firmware:*:*:*:*:*:*:*:american_standard
cpe:2.3:o:autel:maxicharger_ac_elite_business_c50_firmware:*:*:*:*:*:*:*:european_standard
cpe:2.3:o:autel:maxicharger_ac_pro_firmware:*:*:*:*:*:*:*:american_standard
cpe:2.3:o:autel:maxicharger_ac_pro_firmware:*:*:*:*:*:*:*:european_standard
cpe:2.3:o:autel:maxicharger_ac_ultra_firmware:*:*:*:*:*:*:*:american_standard
cpe:2.3:o:autel:maxicharger_ac_ultra_firmware:*:*:*:*:*:*:*:european_standard
cpe:2.3:o:autel:maxicharger_dc_compact_mobile_firmware:*:*:*:*:*:*:*:american_standard
cpe:2.3:o:autel:maxicharger_dc_compact_mobile_firmware:*:*:*:*:*:*:*:european_standard
cpe:2.3:o:autel:maxicharger_dc_compact_pedestal_firmware:*:*:*:*:*:*:*:american_standard
cpe:2.3:o:autel:maxicharger_dc_compact_pedestal_firmware:*:*:*:*:*:*:*:european_standard
cpe:2.3:o:autel:maxicharger_dc_fast_firmware:*:*:*:*:*:*:*:american_standard
cpe:2.3:o:autel:maxicharger_dc_fast_firmware:*:*:*:*:*:*:*:european_standard
cpe:2.3:o:autel:maxicharger_dc_hipower_firmware:*:*:*:*:*:*:*:american_standard
cpe:2.3:o:autel:maxicharger_dc_hipower_firmware:*:*:*:*:*:*:*:european_standard
cpe:2.3:o:autel:maxicharger_dh480_firmware:*:*:*:*:*:*:*:american_standard
cpe:2.3:o:autel:maxicharger_dh480_firmware:*:*:*:*:*:*:*:european_standard
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 Ac Elite Business C50 Firmware

CVE-2025-5830 — High (CVSS 8.8): Autel MaxiCharger AC Wallbox Commercial DLB_SlaveRegister Heap-based Buffer Overflow Remote Code Execution…
CVE-2025-5827 — High (CVSS 8.8): Autel MaxiCharger AC Wallbox Commercial ble_process_esp32_msg Stack-based Buffer Overflow Remote Code Execution…
CVE-2025-5822 — High (CVSS 8.8): Autel MaxiCharger AC Wallbox Commercial Technician API Incorrect Authorization Privilege Escalation Vulnerability. This…
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CVE-2024-23967 — High (CVSS 8.0): Autel MaxiCharger AC Elite Business C50 WebSocket Base64 Decoding Stack-based Buffer Overflow Remote Code Execution…

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