A stack buffer overflow was discovered on Realtek RTL8195AM device before 2.0.10, it…
Priority MEDIUM 45CWE-787Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Code execution
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-787 and the CVSS impact.
Summary
A stack buffer overflow was discovered on Realtek RTL8195AM device before 2.0.10, it exists in the client code when an attacker sends a big size Authentication challenge text in WEP security.
Why it matters now
EPSS 0.01307 70th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2021-39306
- 2026-10-03 Alias added: GHSA-rcc4-26h9-5ggq
References
More Realtek Rtl8195am Firmware vulnerabilities
- TI-2021-19462 A buffer overflow was discovered on Realtek RTL8195AM devices before 2.0.10. CVSS 3.1CRITICAL 9.8
- TI-2022-15237 In ambiot amb1_sdk (aka SDK for Ameba1) before 2022-06-20 on Realtek RTL8195AM devices… CVSS 3.1HIGH 7.5
- TI-2020-07515 An issue was discovered on Realtek RTL8195AM, RTL8711AM, RTL8711AF, and RTL8710AF devices… CVSS 3.1HIGH 8.0
Sources
- CVE-2021-39306 · CVE Program
- CVE-2021-39306 · NVD
- FIRST EPSS
- GHSA-rcc4-26h9-5ggq · GitHub Advisory Database · CC BY 4.0
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