CVE•Published 2025-10-27•Modified 2026-10-08•1 article on news•6 live references•NVD data

CVE-2025-12271Tenda · Ch22_firmware

Vulnerability data via NVD (ingested)

CVSS v3.1

8.8

HIGH

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

EPSS percentile

Exploit Prediction Scoring System · top 38% of all CVEs

Weaknesses (CWE)

CWE-119Improper Restriction of Operations within the Bounds of a Memory Buffer CWE-120Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')

Description

A vulnerability was identified in Tenda CH22 1.0.0.1. This affects the function fromRouteStatic of the file /goform/RouteStatic. Such manipulation of the argument page leads to buffer overflow. The attack can be launched remotely. The exploit is publicly available and might be used.

Timeline

Published 2025-10-27

Modified 2026-10-08

External references

NVD MITRE Exploit-DB GitHub PoC trickest/cve VulnCheck

Search for exposed instances

Shodan + Censys queries derived from NVD's CPE data. The vuln tag catches assets Shodan has explicitly linked to this CVE; the product / banner fingerprints find exposed instances even when the vuln tag was never applied (which is common).

Shodan · vuln tag0 hosts

vuln:CVE-2025-12271

Hosts Shodan has explicitly fingerprinted as vulnerable.

Shodan · OS

os:"Ch22 Firmware"

Hosts Shodan identified as running Ch22 Firmware.

More intel sources (5)

Shodan report

vuln:CVE-2025-12271

Country / ASN / product breakdown for the vuln query.

Censys

vulnerabilities.cve_id: CVE-2025-12271