CVE-2025-7745
Modbus TCP buffer overread
Buffer Over-read vulnerability in ABB AC500 V2.This issue affects AC500 V2: through 2.5.2.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- Low
- Integrity
- None
- Availability
- None
Exploit likelihood
What each source reports
CVE List Score used
Modbus TCP buffer overread
Buffer Over-read vulnerability in ABB AC500 V2.This issue affects AC500 V2: through 2.5.2.
- Record
CVE-2025-7745- CVSS 4.0
- 6.9 Medium
CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:L/SA:H - CVSS 3.1
- 5.8 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:N/A:N - Weakness
- CWE-126
- Updated
- 2026-11-02
EUVDEUVD-2025-22485
Buffer Over-read vulnerability in ABB AC500 V2.This issue affects AC500 V2: through 2.5.2.
- Record
EUVD-2025-22485- CVSS 4.0
- 6.9 Medium
CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:L/SA:H - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-mh65-9fq4-rpg3
Buffer Over-read vulnerability in ABB AC500 V2.This issue affects AC500 V2: through 2.5.2.
Buffer Over-read vulnerability in ABB AC500 V2.This issue affects AC500 V2: through 2.5.2.
- Record
GHSA-mh65-9fq4-rpg3- CVSS 4.0
- 6.9 Medium
CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:L/SA:H/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X - CVSS 3.1
- 5.8 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:N/A:N - Weakness
- CWE-126
- Updated
- 2026-11-02
NVD
Buffer Over-read vulnerability in ABB AC500 V2.This issue affects AC500 V2: through 2.5.2.
- Record
CVE-2025-7745- CVSS 4.0
- 6.9 Medium
CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:L/SA:H/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X - CVSS 3.1
- 5.8 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:N/A:N - Weakness
- CWE-126
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | CVE List, EUVD, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2025-7745 is a medium vulnerability (CVSS 6.9) in Abb Ac500 V2, published July 24, 2025. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.47%, the 40th percentile. No source names a fixed version.