CVE-2025-71251: Unisoc (Shanghai) Technologies SC7731E/SC9832E/SC9863A/T310/T610/T618/T7200/T7225/T7250/T7255/T7280/T7300/T8100/T9100/T8200/T8300 · Improper Input Validation
Affects Unisoc (Shanghai) Technologies SC7731E/SC9832E/SC9863A/T310/T610/T618/T7200/T7225/T7250/T7255/T7280/T7300/T8100/T9100/T8200/T8300Source CVE Database V5
Not known to be exploited · CVSS 7.5 High.
Data as of 2 Nov 2026, 22:58 UTC
- EPSS
- 0.3% chance of exploitation in 30 days – higher than 23% 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:HExploitation evidence
Disclosed: evidence found.
CVE published 6 May 2026
Detectable: no evidence on record.
No public nuclei template indexed
Weaponized: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by 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 2 Nov 2026.
What to do
Affected software
| Product | Affected | Fixed in |
|---|---|---|
| Unisoc (Shanghai) Technologies Co., Ltd.SC7731E/SC9832E/SC9863A/T310/T610/T618/T7200/T7225/T7250/T7255/T7280/T7300/T8100/T9100/T8200/T8300 | Affected
| Fixed in– |
AI-suggested
Until a patch is available, consider limiting exposure of IMS services to untrusted networks if feasible.
Description
CVE-2025-71251 is a high-severity vulnerability in Unisoc (Shanghai) Technologies Co. , Ltd.products involving improper input validation in the IMS component. This flaw can cause a system crash leading to a remote denial of service without requiring any privileges or user interaction. It affects multiple Unisoc chipsets running Android versions 13 through 16. No patch or official remediation guidance is currently available, and no known exploits have been reported in the wild.