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VulnerabilityPublished

CVE-2025-11131: Unisoc (Shanghai) Technologies T8100/T9100/T8200/T8300 · Improper Input Validation

Affects Unisoc (Shanghai) Technologies T8100/T9100/T8200/T8300Source CVE Database V5

0

Not known to be exploited · CVSS 7.5 High.

Data as of 26 Oct 2026, 08:30 UTC

CVSS 3.1 base score
7.5High
How severe the flaw is on the 0–10 CVSS scale.
EPSS
0.2% chance of exploitation in 30 days – higher than 16% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 1 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

To mitigate CVE-2025-11131, organizations should prioritize obtaining and deploying firmware and software updates from device manufacturers and Unisoc as soon as patches become available. In the interim, network operators and enterprises should implement network-level filtering to detect and block malformed or suspicious NR modem traffic patterns that could trigger the vulnerability. Device management solutions should monitor for abnormal device crashes or connectivity issues indicative of exploitation attempts. Employing mobile threat defense (MTD) tools can help detect anomalous modem behavior. Organizations should also review and restrict exposure of mobile devices to untrusted networks where possible, reducing the attack surface. Security teams should maintain awareness of vendor advisories and coordinate with mobile service providers to ensure rapid response. Finally, incorporating this vulnerability into incident response plans will help prepare for potential denial of service incidents affecting mobile assets.

Description

In nr modem, there is a possible system crash due to improper input validation. This could lead to remote denial of service with no additional execution privileges needed

References

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