Mediatek
Mediatek Mt6991 Firmware: vulnerabilities and CVEs
Mediatek Mt6991 Firmware has 26 published vulnerabilities, 25 of them in the last 12 months. 0 are rated critical and 0 are listed by CISA as actively exploited.
CVEs26
Last 12 months25
Critical0
Actively exploited0
All vulnerabilities in the catalogue →⭐ Follow this technology
Latest vulnerabilities
| CVE | Severity | EPSS | Active exploitation | Published | Description |
|---|---|---|---|---|---|
| CVE-2026-20503 | Medium (5.3) | 0.19% | — | Sep 7, 2026 | In Modem, there is a possible system crash due to a missing bounds check. This could lead to remote denial of service, if a UE has connected to a rogue base station controlled by the attacker, with no additional… |
| CVE-2026-20502 | High (8.4) | 0.13% | — | Sep 7, 2026 | In vdec, there is a possible out of bounds write due to a missing bounds check. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for… |
| CVE-2026-20501 | High (8.4) | 0.13% | — | Sep 7, 2026 | In vdec, there is a possible out of bounds write due to a heap buffer overflow. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for… |
| CVE-2026-20500 | Medium (5.5) | 0.09% | — | Sep 7, 2026 | In Modem, there is a possible system crash due to improper input validation. This could lead to local denial of service with User execution privileges needed. User interaction is needed for exploitation. Patch ID:… |
| CVE-2026-20498 | Medium (6) | 0.17% | — | Aug 3, 2026 | In geniezone, there is a possible escalation of privilege due to a missing permission check. This could lead to local escalation of privilege if a malicious actor has already obtained the System privilege. User… |
| CVE-2026-20489 | Medium (4.4) | 0.16% | — | Aug 3, 2026 | In display, there is a possible information disclosure due to an integer overflow. This could lead to local information disclosure if a malicious actor has already obtained the System privilege. User interaction is not… |
| CVE-2026-20488 | Medium (4.4) | 0.16% | — | Aug 3, 2026 | In display, there is a possible information disclosure due to a missing bounds check. This could lead to local information disclosure if a malicious actor has already obtained the System privilege. User interaction is… |
| CVE-2026-20486 | Medium (6.7) | 0.17% | — | Aug 3, 2026 | In imgsensor, there is a possible application crash due to incorrect error handling. This could lead to local escalation of privilege if a malicious actor has already obtained the System privilege. User interaction is… |
| CVE-2026-20484 | Medium (4.4) | 0.16% | — | Aug 3, 2026 | In TFA, there is a possible information disclosure due to a missing permission check. This could lead to local information disclosure if a malicious actor has already obtained the System privilege. User interaction is… |
| CVE-2026-20483 | High (7.7) | 0.17% | — | Aug 3, 2026 | In Telephony, there is a possible escalation of privilege due to a missing permission check. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not… |
| CVE-2026-20477 | Medium (6) | 0.17% | — | Aug 3, 2026 | In display, there is a possible out of bounds write due to a missing bounds check. This could lead to local escalation of privilege if a malicious actor has already obtained the System privilege. User interaction is not… |
| CVE-2026-20475 | Medium (6) | 0.17% | — | Aug 3, 2026 | In display, there is a possible out of bounds write due to a missing bounds check. This could lead to local escalation of privilege if a malicious actor has already obtained the System privilege. User interaction is not… |
| CVE-2026-20474 | Medium (6) | 0.13% | — | Aug 3, 2026 | In display, there is a possible escalation of privilege due to a race condition. This could lead to local escalation of privilege if a malicious actor has already obtained the System privilege. User interaction is not… |
| CVE-2026-20473 | Medium (6) | 0.17% | — | Aug 3, 2026 | In display, there is a possible memory corruption due to use after free. This could lead to local escalation of privilege if a malicious actor has already obtained the System privilege. User interaction is not needed… |
| CVE-2026-20455 | High (7.8) | 0.11% | — | Jun 1, 2026 | In geniezone, there is a possible out of bounds write due to a missing bounds check. This could lead to local escalation of privilege if a malicious actor has already obtained the System privilege. User interaction is… |
| CVE-2026-20454 | Medium (6.4) | 0.08% | — | Jun 1, 2026 | In geniezone, there is a possible out of bounds write due to a race condition. This could lead to local escalation of privilege if a malicious actor has already obtained the System privilege. User interaction is not… |
| CVE-2026-20453 | Medium (6.7) | 0.11% | — | Jun 1, 2026 | In geniezone, there is a possible out of bounds write due to a missing bounds check. This could lead to local escalation of privilege if a malicious actor has already obtained the System privilege. User interaction is… |
| CVE-2026-20451 | Medium (6.7) | 0.15% | — | May 4, 2026 | In slbc, there is a possible out of bounds write due to type confusion. This could lead to local escalation of privilege if a malicious actor has already obtained the System privilege. User interaction is not needed for… |
| CVE-2026-20450 | Medium (6.5) | 0.29% | — | May 4, 2026 | In Modem, there is a possible system crash due to incorrect error handling. This could lead to remote denial of service, if a UE has connected to a rogue base station controlled by the attacker, with no additional… |
| CVE-2026-20449 | Medium (6.5) | 0.22% | — | May 4, 2026 | In Modem, there is a possible system crash due to a heap buffer overflow. This could lead to remote denial of service, if a UE has connected to a rogue base station controlled by the attacker, with no additional… |
| CVE-2026-20448 | Medium (6.7) | 0.15% | — | May 4, 2026 | In geniezone, there is a possible escalation of privilege due to a missing permission check. This could lead to local escalation of privilege if a malicious actor has already obtained the System privilege. User… |
| CVE-2026-20447 | Medium (6.7) | 0.11% | — | May 4, 2026 | In geniezone, there is a possible escalation of privilege due to a missing bounds check. This could lead to local escalation of privilege if a malicious actor has already obtained the System privilege. User interaction… |
| CVE-2026-20433 | High (8.8) | 0.34% | — | Apr 7, 2026 | 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… |
| CVE-2026-20432 | High (8) | 0.29% | — | Apr 7, 2026 | 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… |
| CVE-2026-20431 | Medium (6.5) | 0.31% | — | Apr 7, 2026 | In Modem, there is a possible system crash due to a logic error. This could lead to remote denial of service, if a UE has connected to a rogue base station controlled by the attacker, with no additional execution… |
| CVE-2025-20659 | Medium (6.5) | 0.36% | — | Apr 7, 2025 | In Modem, there is a possible system crash due to improper input validation. This could lead to remote denial of service, if a UE has connected to a rogue base station controlled by the attacker, with no additional… |
🎯 How it gets exploited (ATT&CK techniques)
Number of CVEs of this technology mapped to each exploitation or primary-impact technique.