CVE-2026-22593 | EVerest up to 2025.12.0 Filename MAX_FILE_NAME_LENGTH off-by-one

VDB-353634 · CVE-2026-22593 · EUVD-2026-16173 EVEREST UP TO 2025.12.0 FILENAME MAX_FILE_NAME_LENGTH OFF-BY-ONE HISTORYDIFFRELATEJSONXMLCTI CVSS Meta Temp Score Current Exploit Price (≈) CTI Interest Score 6.7 $0-$5k 3.35+ Summaryinfo A vulnerability categorized as problematic has been discovered in EVerest. The affected element is an unknown function of the component Filename Handler. The manipulation of the argument MAX_FILE_NAME_LENGTH results in off-by-one. This vulnerability is cataloged as CVE-2026-22593. The attack must be initiated from a local position. There is no exploit available. It is advisable to upgrade the affected component. Detailsinfo A vulnerability was found in EVerest. It has been classified as problematic. Affected is an unknown functionality of the component Filename Handler. The manipulation of the argument MAX_FILE_NAME_LENGTH with an unknown input leads to a off-by-one vulnerability. CWE is classifying the issue as CWE-193. A product calculates or uses an incorrect maximum or minimum value that is 1 more, or 1 less, than the correct value. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes: EVerest is an EV charging software stack. Prior to version 2026.02.0, an off-by-one check in IsoMux certificate filename handling causes a stack-based buffer overflow when a filename length equals `MAX_FILE_NAME_LENGTH` (100). A crafted filename in the certificate directory can overflow `file_names[idx]`, corrupting stack state and enabling potential code execution. Version 2026.02.0 contains a patch. The advisory is available at github.com. This vulnerability is traded as CVE-2026-22593 since 01/07/2026. The exploitability is told to be easy. Local access is required to approach this attack. Technical details are known, but there is no available exploit. Upgrading to version 2026.02.0 eliminates this vulnerability. The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2026-16173). Productinfo Name EVerest Version 2.0.4 2.2.5 3.0.4.2 3.0.8.1 3.0.9 3.0.9.5 5.50.2100 2025.9.0 2025.10.0 2025.12.0 Website Product: https://github.com/EVerest/EVerest/ CPE 2.3info 🔒 🔒 🔒 CPE 2.2info 🔒 🔒 🔒 CVSSv4info VulDB Vector: 🔒 VulDB Reliability: 🔍 CVSSv3info VulDB Meta Base Score: 6.8 VulDB Meta Temp Score: 6.7 VulDB Base Score: 5.3 VulDB Temp Score: 5.1 VulDB Vector: 🔒 VulDB Reliability: 🔍 CNA Base Score: 8.4 CNA Vector (GitHub_M): 🔒 CVSSv2info Vector Complexity Authentication Confidentiality Integrity Availability Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock VulDB Base Score: 🔒 VulDB Temp Score: 🔒 VulDB Reliability: 🔍 Exploitinginfo Class: Off-by-one CWE: CWE-193 / CWE-189 CAPEC: 🔒 ATT&CK: 🔒 Physical: Partially Local: Yes Remote: No Availability: 🔒 Status: Not defined Price Prediction: 🔍 Current Price Estimation: 🔒 0-Day Unlock Unlock Unlock Unlock Today Unlock Unlock Unlock Unlock Threat Intelligenceinfo Interest: 🔍 Active Actors: 🔍 Active APT Groups: 🔍 Countermeasuresinfo Recommended: Upgrade Status: 🔍 0-Day Time: 🔒 Upgrade: EVerest 2026.02.0 Timelineinfo 01/07/2026 CVE reserved 03/26/2026 +78 days Advisory disclosed 03/26/2026 +0 days VulDB entry created 03/26/2026 +0 days VulDB entry last update Sourcesinfo Product: github.com Advisory: github.com Status: Confirmed CVE: CVE-2026-22593 (🔒) GCVE (CVE): GCVE-0-2026-22593 GCVE (VulDB): GCVE-100-353634 EUVD: 🔒 Entryinfo Created: 03/26/2026 15:32 Updated: 03/26/2026 16:47 Changes: 03/26/2026 15:32 (63), 03/26/2026 16:47 (1) Complete: 🔍 Cache ID: 99:27B:101 Discussion No comments yet. Languages: en. Please log in to comment. ◂ PreviousOverviewNext ▸