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High 8.8Published Apr 7, 2026
CVE-2026-20433In Modem, there is a possible out of bounds write due to a missing bounds check.
Updated under an hour ago ()
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It affects mediatek mt2735_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 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 needed for exploitation. Patch ID: MOLY01088681; Issue ID: MSV-4460.
- CVSS
- 8.8 HIGH (v3.1, NVD)CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- Weakness (CWE)
- CWE-787
- 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 mt2735_firmware mediatek:mt2735_firmware | all versions | NVD |
mediatek mt2737_firmware mediatek:mt2737_firmware | all versions | NVD |
mediatek mt6813_firmware mediatek:mt6813_firmware | all versions | NVD |
mediatek mt6833_firmware mediatek:mt6833_firmware | all versions | NVD |
mediatek mt6833p_firmware mediatek:mt6833p_firmware | all versions | NVD |
mediatek mt6835_firmware mediatek:mt6835_firmware | all versions | NVD |
mediatek mt6835t_firmware mediatek:mt6835t_firmware | all versions | NVD |
mediatek mt6853_firmware mediatek:mt6853_firmware | all versions | NVD |
mediatek mt6853t_firmware mediatek:mt6853t_firmware | all versions | NVD |
mediatek mt6855_firmware mediatek:mt6855_firmware | all versions | NVD |
mediatek mt6855t_firmware mediatek:mt6855t_firmware | all versions | NVD |
mediatek mt6873_firmware mediatek:mt6873_firmware | all versions | NVD |
mediatek mt6875_firmware mediatek:mt6875_firmware | all versions | NVD |
mediatek mt6875t_firmware mediatek:mt6875t_firmware | all versions | NVD |
mediatek mt6877_firmware mediatek:mt6877_firmware | all versions | NVD |
mediatek mt6877t_firmware mediatek:mt6877t_firmware | all versions | NVD |
mediatek mt6877tt_firmware mediatek:mt6877tt_firmware | all versions | NVD |
mediatek mt6878_firmware mediatek:mt6878_firmware | all versions | NVD |
mediatek mt6878m_firmware mediatek:mt6878m_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 mt6895tt_firmware mediatek:mt6895tt_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 mt6980d_firmware mediatek:mt6980d_firmware | all versions | NVD |
mediatek mt6983_firmware mediatek:mt6983_firmware | all versions | NVD |
mediatek mt6983t_firmware mediatek:mt6983t_firmware | all versions | NVD |
mediatek mt6985_firmware mediatek:mt6985_firmware | all versions | NVD |
mediatek mt6985t_firmware mediatek:mt6985t_firmware | all versions | NVD |
mediatek mt6989_firmware mediatek:mt6989_firmware | all versions | NVD |
mediatek mt6989t_firmware mediatek:mt6989t_firmware | all versions | NVD |
mediatek mt6990_firmware mediatek:mt6990_firmware | all versions | NVD |
mediatek mt6991_firmware mediatek:mt6991_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 |
mediatek mt8793_firmware mediatek:mt8793_firmware | all versions | NVD |
mediatek mt8795t_firmware mediatek:mt8795t_firmware | all versions | NVD |
mediatek mt8797_firmware mediatek:mt8797_firmware | all versions | NVD |
mediatek mt8798_firmware mediatek:mt8798_firmware | all versions | NVD |
mediatek mt8863_firmware mediatek:mt8863_firmware | all versions | NVD |
mediatek mt8873_firmware mediatek:mt8873_firmware | all versions | NVD |
References
- https://corp.mediatek.com/product-security-bulletin/April-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.