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Medium 6.5Published May 4, 2026
CVE-2026-20449In Modem, there is a possible system crash due to a heap buffer overflow.
Updated under an hour ago ()
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It affects mediatek mt6763_firmware and 59 other products. Add what you run to find out whether that includes you.
No exploitation reported and no EPSS estimate yet.
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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 execution privileges needed. User interaction is not needed for exploitation. Patch ID: MOLY01760138; Issue ID: MSV-6148.
- CVSS
- 6.5 MEDIUM (v3.1, NVD)CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- Weakness (CWE)
- CWE-120
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- Not given
- NVD analysis
- Analyzed
- Record last updated
- Jun 17, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
mediatek mt6763_firmware mediatek:mt6763_firmware | all versions | NVD |
mediatek mt6765_firmware mediatek:mt6765_firmware | all versions | NVD |
mediatek mt6767_firmware mediatek:mt6767_firmware | all versions | NVD |
mediatek mt6768_firmware mediatek:mt6768_firmware | all versions | NVD |
mediatek mt6769_firmware mediatek:mt6769_firmware | all versions | NVD |
mediatek mt6771_firmware mediatek:mt6771_firmware | all versions | NVD |
mediatek mt6779_firmware mediatek:mt6779_firmware | all versions | NVD |
mediatek mt6781_firmware mediatek:mt6781_firmware | all versions | NVD |
mediatek mt6783_firmware mediatek:mt6783_firmware | all versions | NVD |
mediatek mt6785_firmware mediatek:mt6785_firmware | all versions | NVD |
mediatek mt6789_firmware mediatek:mt6789_firmware | all versions | NVD |
mediatek mt6813_firmware mediatek:mt6813_firmware | all versions | NVD |
mediatek mt6815_firmware mediatek:mt6815_firmware | all versions | NVD |
mediatek mt6833_firmware mediatek:mt6833_firmware | all versions | NVD |
mediatek mt6835_firmware mediatek:mt6835_firmware | all versions | NVD |
mediatek mt6853_firmware mediatek:mt6853_firmware | all versions | NVD |
mediatek mt6855_firmware mediatek:mt6855_firmware | all versions | NVD |
mediatek mt6858_firmware mediatek:mt6858_firmware | all versions | NVD |
mediatek mt6873_firmware mediatek:mt6873_firmware | all versions | NVD |
mediatek mt6875_firmware mediatek:mt6875_firmware | all versions | NVD |
mediatek mt6877_firmware mediatek:mt6877_firmware | all versions | NVD |
mediatek mt6878_firmware mediatek:mt6878_firmware | all versions | NVD |
mediatek mt6879_firmware mediatek:mt6879_firmware | all versions | NVD |
mediatek mt6880_firmware mediatek:mt6880_firmware | all versions | NVD |
mediatek mt6883_firmware mediatek:mt6883_firmware | all versions | NVD |
mediatek mt6885_firmware mediatek:mt6885_firmware | all versions | NVD |
mediatek mt6886_firmware mediatek:mt6886_firmware | all versions | NVD |
mediatek mt6889_firmware mediatek:mt6889_firmware | all versions | NVD |
mediatek mt6890_firmware mediatek:mt6890_firmware | all versions | NVD |
mediatek mt6891_firmware mediatek:mt6891_firmware | all versions | NVD |
mediatek mt6893_firmware mediatek:mt6893_firmware | all versions | NVD |
mediatek mt6895_firmware mediatek:mt6895_firmware | all versions | NVD |
mediatek mt6896_firmware mediatek:mt6896_firmware | all versions | NVD |
mediatek mt6897_firmware mediatek:mt6897_firmware | all versions | NVD |
mediatek mt6899_firmware mediatek:mt6899_firmware | all versions | NVD |
mediatek mt6980_firmware mediatek:mt6980_firmware | all versions | NVD |
mediatek mt6983_firmware mediatek:mt6983_firmware | all versions | NVD |
mediatek mt6985_firmware mediatek:mt6985_firmware | all versions | NVD |
mediatek mt6986d_firmware mediatek:mt6986d_firmware | all versions | NVD |
mediatek mt6988_firmware mediatek:mt6988_firmware | all versions | NVD |
mediatek mt2735_firmware mediatek:mt2735_firmware | all versions | NVD |
mediatek mt2737_firmware mediatek:mt2737_firmware | all versions | NVD |
mediatek mt6739_firmware mediatek:mt6739_firmware | all versions | NVD |
mediatek mt6761_firmware mediatek:mt6761_firmware | all versions | NVD |
mediatek mt6762_firmware mediatek:mt6762_firmware | all versions | NVD |
mediatek mt6989_firmware mediatek:mt6989_firmware | all versions | NVD |
mediatek mt6990_firmware mediatek:mt6990_firmware | all versions | NVD |
mediatek mt6991_firmware mediatek:mt6991_firmware | all versions | NVD |
mediatek mt6993_firmware mediatek:mt6993_firmware | all versions | NVD |
mediatek mt8668_firmware mediatek:mt8668_firmware | all versions | NVD |
mediatek mt8673_firmware mediatek:mt8673_firmware | all versions | NVD |
mediatek mt8675_firmware mediatek:mt8675_firmware | all versions | NVD |
mediatek mt8676_firmware mediatek:mt8676_firmware | all versions | NVD |
mediatek mt8678_firmware mediatek:mt8678_firmware | all versions | NVD |
mediatek mt8755_firmware mediatek:mt8755_firmware | all versions | NVD |
mediatek mt8771_firmware mediatek:mt8771_firmware | all versions | NVD |
mediatek mt8775_firmware mediatek:mt8775_firmware | all versions | NVD |
mediatek mt8791_firmware mediatek:mt8791_firmware | all versions | NVD |
mediatek mt8791t_firmware mediatek:mt8791t_firmware | all versions | NVD |
mediatek mt8792_firmware mediatek:mt8792_firmware | all versions | NVD |
References
- https://corp.mediatek.com/product-security-bulletin/May-2026vendor-advisory
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.