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VulnerabilityPublished

CVE-2025-20792: MediaTek MT2735, MT6833, MT6833P, MT6853, MT6853T, MT6855, MT6855T, MT6873, MT6875, MT6875T, MT6877, MT6877T, MT6877TT, MT6880, MT6883, MT6885, MT6889, MT6890, MT6891, MT6893, MT8791T · Reachable Assertion

Affects MediaTek MT2735, MT6833, MT6833P, MT6853, MT6853T, MT6855, MT6855T, MT6873, MT6875, MT6875T, MT6877, MT6877T, MT6877TT, MT6880, MT6883, MT6885, MT6889, MT6890, MT6891, MT6893, MT8791TSource CVE Database V5

0

Not known to be exploited · CVSS 5.3 Medium.

Data as of 26 Oct 2026, 14:05 UTC

CVSS 3.1 base score
5.3Medium
How severe the flaw is on the 0–10 CVSS scale.
EPSS
0.3% chance of exploitation in 30 days – higher than 30% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 2 Dec 2025

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponised: no evidence on record.

    No public exploit code indexed in Metasploit or Exploit-DB

  4. Exploited in the wild: no evidence on record.

    Not in CISA KEV and no source reports exploitation

  5. Observed by OffSeq Mirage: no evidence on record.

    No attack traffic recorded by OffSeq Mirage sensors

A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 26 Oct 2026.

What to do

AI-suggested

  1. Apply the official MediaTek patch MOLY01717526 as soon as it becomes available for all affected devices to remediate the vulnerability at the firmware level.
  2. Network operators and enterprises should implement detection and mitigation mechanisms for rogue base stations, including radio frequency monitoring and anomaly detection systems.
  3. Encourage users to update their device firmware regularly and avoid connecting to untrusted or unknown cellular networks.
  4. Deploy mobile device management (MDM) solutions that can enforce firmware updates and monitor device connectivity patterns.
  5. Collaborate with telecom providers to enhance base station authentication and integrity checks to prevent rogue base station attacks.
  6. For critical infrastructure relying on affected chipsets, consider network segmentation and fallback communication methods to maintain availability during potential DoS events.
  7. Conduct regular security assessments and penetration testing focused on cellular network vulnerabilities within organizational environments.

Description

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: MOLY01717526; Issue ID: MSV-5591.

References

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