Missing authorization in MediaTek EN7528, EN7580
Priority MEDIUM 44CWE-862Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Security bypass
- 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-862.
Summary
In Boa, there is a possible escalation of privilege due to a missing permission check. This could lead to remote escalation of privilege from a proximal attacker with no additional execution privileges needed. User interaction is not needed for exploitation. Patch ID: A20210008; Issue ID: OSBNB00123241.
Why it matters now
EPSS 0.01147 66th 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 |
|---|---|---|---|---|---|
| MediaTek | EN7528, EN7580 | Linux SDK versions less than TLM7.3.275.0-64 | — | No fix listed | CNA |
- EN7528, EN7580 VendorMediaTek Affected Linux SDK versions less than TLM7.3.275.0-64 Fixed in — No fix listed CNA
CPE configurations NVD · 4
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:mediatek:en7580_firmware:*:*:*:*:*:*:*:* | before tlm7.3.275.0-64 | Vulnerable | MediaTek |
| cpe:2.3:h:mediatek:en7580:-:*:*:*:*:*:*:* | not specified by NVD | Running on | MediaTek |
| cpe:2.3:o:mediatek:en7528_firmware:*:*:*:*:*:*:*:* | before tlm7.3.275.0-64 | Vulnerable | MediaTek |
| cpe:2.3:h:mediatek:en7528:-:*:*:*:*:*:*:* | not specified by NVD | Running on | MediaTek |
- cpe:2.3:o:mediatek:en7580_firmware:*:*:*:*:*:*:*:* Versions before tlm7.3.275.0-64 Vulnerable ·MediaTek
- cpe:2.3:h:mediatek:en7580:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·MediaTek
- cpe:2.3:o:mediatek:en7528_firmware:*:*:*:*:*:*:*:* Versions before tlm7.3.275.0-64 Vulnerable ·MediaTek
- cpe:2.3:h:mediatek:en7528:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·MediaTek
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2021-31577
- 2026-10-03 Alias added: GHSA-28g5-fvw4-57w5
References
More MediaTek En7528 Firmware vulnerabilities
- TI-2021-11684 Command injection in MediaTek EN7528, EN7580 CVSS 3.1CRITICAL 9.8
- TI-2021-11683 Command injection in MediaTek EN7528, EN7580 CVSS 3.1CRITICAL 9.8
- TI-2021-11682 Command injection in MediaTek EN7528, EN7580 CVSS 3.1CRITICAL 9.8
- TI-2021-11687 Out-of-bounds write in MediaTek EN7528, EN7580 CVSS 3.1CRITICAL 9.8
- TI-2021-11685 Missing authorization in MediaTek EN7528, EN7580 CVSS 3.1HIGH 7.5
Sources
- CVE-2021-31577 · CVE Program
- CVE-2021-31577 · NVD
- FIRST EPSS
- GHSA-28g5-fvw4-57w5 · 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