A stack buffer overflow in Realtek RTL8710 (and other Ameba-based devices) can lead to…
Priority LOW 39CWE-787Published · Updated
Key facts
- Attack vector
- Adjacent network
- Privileges required
- Low
- 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 in Realtek RTL8710 (and other Ameba-based devices) can lead to remote code execution via the "AES_UnWRAP" function, when an attacker in Wi-Fi range sends a crafted "Encrypted GTK" value as part of the WPA2 4-way-handshake.
Why it matters now
EPSS 0.01991 80th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
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
CPE configurations NVD · 4
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:realtek:rtl8710c_firmware:-:*:*:*:*:*:*:* | not specified by NVD | Vulnerable | Realtek |
| cpe:2.3:h:realtek:rtl8710c:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Realtek |
| cpe:2.3:o:realtek:rtl8195a_firmware:-:*:*:*:*:*:*:* | not specified by NVD | Vulnerable | Realtek |
| cpe:2.3:h:realtek:rtl8195a:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Realtek |
- cpe:2.3:o:realtek:rtl8710c_firmware:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·Realtek
- cpe:2.3:h:realtek:rtl8710c:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Realtek
- cpe:2.3:o:realtek:rtl8195a_firmware:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·Realtek
- cpe:2.3:h:realtek:rtl8195a:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Realtek
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2020-27301
- 2026-10-03 Alias added: GHSA-wvw2-928h-x7m8
References
More Realtek Rtl8195a Firmware vulnerabilities
- TI-2020-15845 Stack-based buffer overflow in Realtek RTL8195A Wi-Fi Module CVSS 3.1HIGH 8.1
- TI-2020-15844 Stack-based buffer overflow in Realtek RTL8195A Wi-Fi Module CVSS 3.1HIGH 8.1
- TI-2020-15843 Stack-based buffer overflow in Realtek RTL8195A Wi-Fi Module CVSS 3.1HIGH 8.1
- TI-2020-16621 A stack buffer overflow in Realtek RTL8710 (and other Ameba-based devices) can lead to… CVSS 3.1HIGH 8.0
- TI-2020-15846 Stack-based buffer overflow in Realtek RTL8195A Wi-Fi Module CVSS 3.1HIGH 7.5
- TI-2020-15842 Out-of-bounds read in Realtek RTL8195A Wi-Fi Module CVSS 3.1HIGH 7.5
Sources
- CVE-2020-27301 · CVE Program
- CVE-2020-27301 · NVD
- FIRST EPSS
- GHSA-wvw2-928h-x7m8 · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences