CVE-2026-48683
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I. Basic Information for CVE-2026-48683
Vulnerability Information
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Vulnerability Title
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Description
FastNetMon Community Edition through 1.2.9 contains an out-of-bounds read vulnerability in the NetFlow v9 data flowset processor. In src/netflow_plugin/netflow_v9_collector.cpp, the Data template branch (lines 1695-1702) iterates over flow records without performing a per-iteration bounds check against the packet end pointer. In contrast, the Options template branch (lines 1709-1719) correctly checks 'if (pkt + offset + field_template->total_length > packet_end)' before each iteration. The Data branch omits this check entirely. Since template definitions are sent by the network peer (and are unauthenticated UDP), an attacker can craft templates that cause the parser to read arbitrary memory past the packet buffer. This can leak sensitive memory contents or cause a crash.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Title
FastNetMon 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
FastNetMon是Pavel Odintsov个人开发者的一个基于多个数据包捕获引擎构建的高性能 DDoS 检测器/传感器。 FastNetMon 1.2.9及之前版本存在安全漏洞，该漏洞源于NetFlow v9数据流集处理器中Data模板分支缺少边界检查，可能导致越界读取。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| - | n/a | n/a | - |
II. Public POCs for CVE-2026-48683
| # | POC Description | Source Link | Shenlong Link |
|---|
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Security Blog Posts for CVE-2026-48683 (1)
Other References for CVE-2026-48683 (1)
Same Patch Batch · n/a · 2026-05-26 · 31 CVEs total
| CVE-2026-9496 | 7.5 HIGH | pacote 安全漏洞 |
| CVE-2026-9580 | 7.3 HIGH | JeecgBoot selectDepart LoginController.selectDepart access control |
| CVE-2026-9495 | 7.3 HIGH | @koa/router 安全漏洞 |
| CVE-2026-9581 | 6.3 MEDIUM | JeecgBoot add access control |
| CVE-2026-9579 | 6.3 MEDIUM | JeecgBoot SysUser userEdit user.getUsername access control |
| CVE-2026-9541 | 5.3 MEDIUM | Squirrel Cnut File sqobject.cpp ReadObject heap-based overflow |
| CVE-2026-9568 | 5.0 MEDIUM | ThingsBoard YAML provision getGatewayDockerComposeFile code injection |
| CVE-2026-9604 | 4.3 MEDIUM | JeecgBoot AiragModelController access control |
| CVE-2026-9567 | 3.3 LOW | GPAC MP4Box isom_intern.c MergeFragment null pointer dereference |
| CVE-2026-9572 | 3.3 LOW | GPAC MP4Box media.c Media_GetSample memory leak |
| CVE-2025-68711 | AppLockZ - TrustedApp App Lock and Fingerprint Lock 安全漏洞 | |
| CVE-2025-68708 | SailingLab AppLock 安全漏洞 | |
| CVE-2026-36239 | PbootCMS 安全漏洞 | |
| CVE-2025-68710 | Easyelife App Lock 安全漏洞 | |
| CVE-2025-68709 | SailingLab AppLock 安全漏洞 | |
| CVE-2026-48689 | FastNetMon 缓冲区错误漏洞 | |
| CVE-2026-48694 | FastNetMon 安全漏洞 | |
| CVE-2026-48695 | FastNetMon 安全漏洞 | |
| CVE-2026-48696 | FastNetMon 安全漏洞 | |
| CVE-2026-48697 | FastNetMon 安全漏洞 |
Showing top 20 of 31 CVEs. View all on vendor page → →
IV. Related Vulnerabilities
V. Comments for CVE-2026-48683
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