CVE-2025-20711 — Out-of-bounds Write in Software Development KIT

CWE-787 — Out-of-bounds WriteCWE-1287 — Improper Validation of Specified Type of Input3 documents3 sources
Severity
8.8HIGHNVD
EPSS
0.0%
top 99.00%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
2
Mediatek Software Development KITOpenwrt
Timeline
PublishedOct 14

Description

In wlan AP driver, there is a possible out of bounds write due to an incorrect bounds check. This could lead to remote (proximal/adjacent) escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation. Patch ID: WCNCR00422399; Issue ID: MSV-3748.

CVSS vector

CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HExploitability: 2.8 | Impact: 5.9

Affected Packages2 packages

▶NVDopenwrt/openwrt19.07.0, 21.02.0+1

🔴Vulnerability Details

2
CVEList
CVE-2025-20711: In wlan AP driver, there is a possible out of bounds write due to an incorrect bounds check↗2025-10-14
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GHSA
GHSA-334j-33qm-fwx4: In wlan AP driver, there is a possible out of bounds write due to an incorrect bounds check↗2025-10-14
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CVE-2025-20711 — Out-of-bounds Write | cvebase