CVE•Published 2025-12-01•Modified 2026-09-26•1 article on news•6 live references•NVD data
CVE-2025-3500Avast · Antivirus
Vulnerability data via NVD (ingested)
CVSS v3.1
9.0
CRITICAL
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H
EPSS percentile
39
Exploit Prediction Scoring System · top 61% of all CVEs
Weaknesses (CWE)
Description
Integer Overflow or Wraparound vulnerability in Avast Antivirus (25.1.981.6) on Windows allows Privilege Escalation.This issue affects Antivirus: from 25.1.981.6 before 25.3.
Timeline
Published 2025-12-01
Modified 2026-09-26
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).
Shodan · vuln tag0 hosts
vuln:CVE-2025-3500Hosts Shodan has explicitly fingerprinted as vulnerable.
Shodan · product
product:"Avast Antivirus"All exposed Avast Antivirus instances — cross-reference with the CVE's affected-version range.
Shodan · banner/body mention
http.html:"Antivirus"HTTP body or banner mentions "Antivirus" — catches deploys Shodan didn't identify as a product.
More intel sources (5)
Shodan report
vuln:CVE-2025-3500Country / ASN / product breakdown for the vuln query.
Censys
vulnerabilities.cve_id: CVE-2025-3500Censys host search filtered to this CVE id.
grep.app
CVE-2025-3500Public source-code mentions — fast PoC discovery.
GitHub code
CVE-2025-3500GitHub code search for direct mentions.
Google dork
"CVE-2025-3500" exploit -site:nvd.nist.govWrite-ups and news, NVD excluded.
Known PoCs on GitHub (8)
CVE-2025-35008 repos
cporter202/scraping-apis-for-devsJavaScript
This GitHub repo is a powerhouse collection of scraping APIs for developers that you can start using immediately to build everything from simple automations to full-scale applicati…
TheMalwareGuardian/Awesome-Bootkits-Rootkits-DevelopmentHTML
A curated compilation of extensive resources dedicated to bootkit and rootkit development.
zhuowei/blueshrimpPython
Proof-of-concept for CVE-2025-48593
rainmana/awesome-rainmanaPython
This is a curated list of my GitHub stars but converted into an Awesome List! Updated automagically ever 12 hours! :D
gaahrdner/starredunknown
A curated list of my GitHub stars!
k0yt/Awesome-InfoSec-TG-channelsPython
For the most part, these are RUS tg channels and assembled manually in channels.txt. The list of subscribers is updated every 12 hours.
poweredgenl/smarthomeShell
Smarthome repo with json files from Home Assistant as well as the setup outline.
dr460nf1r3/awesome-starredunknown
An always up-to-date and sorted list of my starred projects 🚀