CVE-2026-20520
Mediatek mt2716 Firmware: out-of-bounds write
- Risk score
- 48/100
- CVSS
- 7.5 v3.1
- Exploit chance (30 days)
- 0.2%
- Published
- 5 Oct 2026
Open in the live forecast Today's forecast
What to know
- What it is
- In Modem, there is a possible out of bounds write due to a missing bounds check. This could lead to remote escalation of privilege, if a UE has connected to a rogue base station controlled by the attacker, with no additional execution privileges needed. User interaction is not needed for exploitation. Patch ID: MOLY01…
- Affected
- Mediatek mt2716 Firmware
- Fix
- Apply the vendor's security update; see the linked advisory.
- Exploitation
- No known exploitation
Story map
At a glance
Mediatek mt2716 Firmware: Yellow, plan it in. In Modem, there is a possible out of bounds write due to a missing bounds check. This could lead to remote escalation of privilege, if a UE has connected to a rogue base station controlled by the attacker, with no additional execution privileges needed. User interaction is not needed for exploitation. Patch ID: MOLY01…
The flaws
- CVE-2026-20520: Out-of-bounds write (CVSS 7.5 · EPSS 0%)
- CVE-2026-20526: Out-of-bounds write (CVSS 7.5 · EPSS 0%)
The fix
Fix: Apply the vendor's security update; see the linked advisory.
Who is exposed: Mediatek mt2716 Firmware
Where it stands
- No known exploitation
Connects to
- Same weakness: Out-of-bounds write (CWE-787). 257 other warnings in 30 days
- Same product: Earlier Mediatek mt2716 Firmware warnings. 7 in the last 90 days
Why it is Yellow
- CVSS 7.5 high
References
Original description
In Modem, there is a possible out of bounds write due to a missing bounds check. This could lead to remote escalation of privilege, if a UE has connected to a rogue base station controlled by the attacker, with no additional execution privileges needed. User interaction is not needed for exploitation. Patch ID: MOLY01778988; Issue ID: MSV-8897.
Last activity 5 Oct 2026. Patch Forecast updates every hour.