CVE-2026-20525In Modem, there is a possible system crash due to improper input validation.
Updated under an hour ago ()
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It affects MediaTek, Inc. MediaTek chipset and 22 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 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 execution privileges needed. User interaction is not needed for exploitation. Patch ID: MOLY01870473 / MOLY00814393; Issue ID: MSV-9041.
- CVSS
- 5.3 MEDIUM (v3.1, CISA ADP)CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
- Weakness (CWE)
- CWE-617
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- MediaTek
- NVD analysis
- Analyzed
- Record last updated
- Oct 5, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
MediaTek, Inc. MediaTek chipset mediatek:chipset (from the name) | MT2716; MT6835; MT6858; MT6878; MT6881; MT6897; MT6899; MT6982; and 14 more ranges | CNA record |
mediatek mt2716_firmware mediatek:mt2716_firmware | all versions | NVD |
mediatek mt6835_firmware mediatek:mt6835_firmware | all versions | NVD |
mediatek mt6858_firmware mediatek:mt6858_firmware | all versions | NVD |
mediatek mt6878_firmware mediatek:mt6878_firmware | all versions | NVD |
mediatek mt6881_firmware mediatek:mt6881_firmware | all versions | NVD |
mediatek mt6897_firmware mediatek:mt6897_firmware | all versions | NVD |
mediatek mt6899_firmware mediatek:mt6899_firmware | all versions | NVD |
mediatek mt6982_firmware mediatek:mt6982_firmware | all versions | NVD |
mediatek mt6986_firmware mediatek:mt6986_firmware | all versions | NVD |
mediatek mt6988_firmware mediatek:mt6988_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 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 mt8775_firmware mediatek:mt8775_firmware | all versions | NVD |
mediatek mt8792_firmware mediatek:mt8792_firmware | all versions | NVD |
mediatek mt8793_firmware mediatek:mt8793_firmware | all versions | NVD |
mediatek mt8863_firmware mediatek:mt8863_firmware | all versions | NVD |
mediatek mt8873_firmware mediatek:mt8873_firmware | all versions | NVD |
mediatek mt8883_firmware mediatek:mt8883_firmware | all versions | NVD |
References
- https://www.mediatek.com/product-security-bulletin/October-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.