CVE•Published 2025-12-29•3 articles on news•5 live references•NVD data
CVE-2025-52691
Vulnerability data via CVEDB (Shodan)
CVSS v3.1
10.0
CRITICAL
EPSS percentile
100
Exploit Prediction Scoring System · top 0% of all CVEs
Description
Successful exploitation of the vulnerability could allow an unauthenticated attacker to upload arbitrary files to any location on the mail server, potentially enabling remote code execution.
Timeline
Published 2025-12-29
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-2025-52691Hosts Shodan has explicitly fingerprinted as vulnerable.
Shodan · product + version
product:"Smartertools Smartermail" version:"1.0.0"Version-pinned fingerprint from NVD's first vulnerable CPE.
Shodan · banner/body mention
http.html:"Smartermail"HTTP body or banner mentions "Smartermail" — catches deploys Shodan didn't identify as a product.
More intel sources (5)
Shodan report
vuln:CVE-2025-52691Country / ASN / product breakdown for the vuln query.
Censys
vulnerabilities.cve_id: CVE-2025-52691Censys host search filtered to this CVE id.
grep.app
CVE-2025-52691Public source-code mentions — fast PoC discovery.
GitHub code
CVE-2025-52691GitHub code search for direct mentions.
Google dork
"CVE-2025-52691" exploit -site:nvd.nist.govWrite-ups and news, NVD excluded.
Known PoCs on GitHub (8)
CVE-2025-526918 repos
Threekiii/CVEunknown
一个 CVE 漏洞预警知识库，无 exp/poc，部分包含修复方案。A knowledge base of CVE security vulnerability, no PoCs/exploits.
tylzars/awesome-vrre-writeupsunknown
A collection of Vulnerability Research and Reverse Engineering writeups.
watchtowrlabs/watchTowr-vs-SmarterMail-CVE-2025-52691Python
rxerium/CVE-2025-52691unknown
Detection for CVE-2025-52691
DeathShotXD/CVE-2025-52691-APT-PoCPython
An enhanced proof-of-concept exploit for CVE-2025-52691 (SmarterMail Arbitrary File Upload RCE) with APT-level features like stealth obfuscation, persistence, exfiltration, and int…
rimbadirgantara/CVE-2025-52691-pocunknown
you-ssef9/CVE-2025-52691Python
This repository contains a safe Proof of Concept (PoC) to detect vulnerable SmarterMail versions affected by CVE‑2025‑52691. The script performs version detection only and does no…
nxgn-kd01/smartermail-cve-scannerJavaScript
CVE-2025-52691 Scanner - Detects vulnerable SmarterMail installations (CVSS 10.0 RCE)