CVE•Published 2026-06-15•Modified 2026-07-24•1 article on news•5 live references•NVD data
CVE-2026-12220
Vulnerability data via NVD (ingested)
CVSS v3.1
8.0
HIGH
CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS percentile
30
Exploit Prediction Scoring System · top 70% of all CVEs
Weaknesses (CWE)
Description
A vulnerability has been found in Yealink SIP-T46U 108.86.0.118. This affects the function mod_upgrade.SparePartsUpload of the file /api/upgrade/accupgradebychunk of the component Firmware Chunk Upload handler. Such manipulation of the argument uid leads to stack-based buffer overflow. The attack can only be initiated within the local network. The exploit has been disclosed to the public and may be used. The vendor was contacted early about this disclosure and is working on a patch to fix it.
Timeline
Published 2026-06-15
Modified 2026-07-24
External references
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).
More intel sources (5)
Shodan report
vuln:CVE-2026-12220Country / ASN / product breakdown for the vuln query.
Censys
vulnerabilities.cve_id: CVE-2026-12220Censys host search filtered to this CVE id.
grep.app
CVE-2026-12220Public source-code mentions — fast PoC discovery.
GitHub code
CVE-2026-12220GitHub code search for direct mentions.
Google dork
"CVE-2026-12220" exploit -site:nvd.nist.govWrite-ups and news, NVD excluded.
Known PoCs on GitHub (2)
CVE-2026-122202 repos
YuzeHao2023/daily-arxiv-ai4geoPython
🎓Automatically Update AI4Geo Papers Daily using Github Actions
jaschadub/compromised-packages-checkPython
Scan a repository for known-malicious npm, cratres, and PyPI package versions from recent supply-chain compromises (Mini Shai-Hulud, TanStack, @cap-js/mbt, etc). UPDATED 6 TIMES A …