VulnerabilityAnalyzed
CVE-2026-20408
In wlan, there is a possible out of bounds write due to a heap buffer overflow.
HIGH 8.8EPSS 0.28%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (0.28%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
In wlan, there is a possible out of bounds write due to a heap buffer overflow. 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: WCNCR00461651; Issue ID: MSV-4758.
- CVSS 3.1
- 8.8 HIGHCVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 0.28% probability · 20th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-122, CWE-787
- Affected
- mediatek/software development kit · openwrt/openwrt
- Source
- security@mediatek.com
References
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.