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CVE-2025-68137

Linuxfoundation Everest buffer overflow

8.3 HIGHPublic exploitEPSS 1.27%
  1. Published21 Jan 2026

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 3.1 breakdown

Attack vectorAdjacent
Attack complexityHigh
Privileges requiredNone
User interactionNone
ScopeChanged
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H

Affected products

Linuxfoundation Everest< 2025.10.0

Remediation

Fixed in
Linuxfoundation Everest≥ 2025.10.0

References

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Frequently asked

Is CVE-2025-68137 being actively exploited?

CVE-2025-68137 is not in the CISA KEV catalog. A public exploit reference exists, so treat it as exploitable. Its EPSS exploit probability is 1.27%.

How severe is CVE-2025-68137?

CVE-2025-68137 has a CVSS 3.1 base score of 8.3, rated high. EPSS estimates a 1.27% probability of exploitation.

Which products are affected by CVE-2025-68137?

Affected products include Linuxfoundation Everest.

How do I fix CVE-2025-68137?

Upgrade affected software to a fixed version, for example Linuxfoundation Everest 2025.10.0 or later, then confirm no affected versions remain in your inventory.

How Secuno handles this

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Data from the NVD, CISA KEV catalog and FIRST EPSS. CVSS 3.1 base score shown where available.