CVE-2025-68137
EVerest's Integer Overflow and Signed to Unsigned conversion lead to either stack buffer overflow or infinite loop
- Published
- Jan 21, 2026
- Updated
- Jan 21, 2026
- Assigning CNA
- GitHub_M
- Evidence observed
- Sep 2, 2026
Primary CVSS
nvd · CVSS 3.1
CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:HLow · next 30 days
- Percentile
- 63.4%
- Model date
- Sep 21, 2026
EPSS is a statistical estimate, not a certainty or a measure of impact. Combine it with CVSS, KEV status, exposure and your environment.
Summary
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.
Sources
1- EVerest 2025.9.0 - DoSExploit
Ranjit Kumar Singh · multiple · Sep 2, 2026
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