PatchTheCVECVE-2025-20646: In wlan AP FW, there is a possible out of bounds write due to improper input validation
CVE-2025-20646 is a critical-severity flaw (CVSS 9.8) affecting software development kit. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
In wlan AP FW, there is a possible out of bounds write due to improper input validation. This could lead to remote escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation. Patch ID: WCNCR00389074; Issue ID: MSV-1803.
Why this priority
- Critical severity
- Remotely exploitable, no login, no user action
A fixed release or distro patch exists.
Risk facts
| CVSS score | 9.8 (Critical) |
| Attack vector | Network (remote) |
| Attack complexity | Low |
| Privileges needed | None |
| User interaction | None |
| EPSS exploit chance | 0.9% (top 41%) |
| CISA exploited list | No |
| Weakness | CWE-787 |
| Published | 2025-03-03 |
| Last modified | 2026-06-17 |
Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score
Am I affected?
Timeline
- Published CVE record published
- Updated Record last modified
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.
Quick answers
How do I fix CVE-2025-20646?
software development kit: upgrade to 7.6.7.2. Exact commands for each OS are on this page.
Is CVE-2025-20646 being exploited?
CVE-2025-20646 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.
What does CVE-2025-20646 affect?
CVE-2025-20646 affects software development kit. Severity is critical (CVSS 9.8). In wlan AP FW, there is a possible out of bounds write due to improper input validation. This could lead to remote escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation. Patc
How urgent is CVE-2025-20646?
Priority 54/100. Critical severity; Remotely exploitable, no login, no user action
Related CVEs
- CVE-2025-20742 HIGH 8.0 UPGRADE MITIGATE In wlan AP driver, there is a possible out of bounds write due to an incorrect bounds check
- CVE-2025-20728 HIGH 7.8 DOWNGRADE In wlan STA driver, there is a possible out of bounds write due to an incorrect bounds check
- CVE-2025-20733 HIGH 7.8 UPGRADE MITIGATE In wlan AP driver, there is a possible out of bounds write due to an incorrect bounds check
- CVE-2025-20735 HIGH 7.8 UPGRADE MITIGATE In wlan AP driver, there is a possible out of bounds write due to an incorrect bounds check
- CVE-2025-20737 HIGH 7.8 UPGRADE MITIGATE In wlan AP driver, there is a possible out of bounds write due to an incorrect bounds check