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Vulnerability details

CVE-2025-68137

EVerest everest-core

EVerest's Integer Overflow and Signed to Unsigned conversion lead to either stack buffer overflow or infinite loop

CVSS 3.1
8.4High

Official description

EVerest is an EV charging software stack. Prior to version 2025.10.0, an integer overflow occurring in `SdpPacket::parse_header()` allows the current buffer length to be set to 7 after a complete header of size 8 has been read. The remaining length to read is computed using the current length subtracted by the header length which results in a negative value. This value is then interpreted as `SIZE_MAX` (or slightly less) because the expected type of the argument is `size_t`. Depending on whether the server is plain TCP or TLS, this leads to either an infinite loop or a stack buffer overflow. Version 2025.10.0 fixes the issue.

CVSS scores

ScoreVersionSourceVector
8.4High 3.1 CVEProject cvelistV5 (CNA) (GitHub_M) CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H

Affected products

VendorProductVersionsSource
EVerest everest-core < 2025.10.0 CVEProject cvelistV5 (CNA)

References and advisories

1
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Details

Published
2026-01-21
Last updated
2026-01-21
State
Published
Assigner (CNA)
GitHub_M

Exploit prediction (EPSS)

1.3%
Probability of exploitation in 30 days
70.7%
Percentile (among all CVEs)

SSVC assessment (CISA)

Automatable
No
Exploitation
Proof of concept
Technical impact
Total

Weaknesses (CWE)

  • CWE-120
    Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')
  • CWE-835
    Loop with Unreachable Exit Condition ('Infinite Loop')