CVE-2026-48682
Quick assessment
Affected
n/a n/a
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.
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 Community Edition 1.2.9及之前版本存在安全漏洞，该漏洞源于IPv4数据包解析器中存在越界读取，可能导致指针前进超出验证字节范围。
Possible ATT&CK Techniques 1 AI
T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2026-48682
Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
FastNetMon Community Edition through 1.2.9 contains an out-of-bounds read in the IPv4 packet parser. In src/simple_packet_parser_ng.cpp, after validating that the packet contains at least sizeof(ipv4_header_t) bytes (20 bytes), the code advances the local_pointer by '4 * ipv4_header->get_ihl()' (line 164) without validating that (a) IHL >= 5 (the minimum valid value per RFC 791), or (b) 4 * IHL bytes are actually available in the packet. The IHL field is 4 bits, allowing values 0-15, so the advance can be 0-60 bytes. An IHL value of 15 with only 20 bytes validated causes a 40-byte over-read. An IHL of 0-4 causes the pointer to not advance past the IP header, resulting in the TCP/UDP header being parsed from IP header data (type confusion). This vulnerability is reachable via any packet capture interface.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5
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 Community Edition 1.2.9及之前版本存在安全漏洞，该漏洞源于IPv4数据包解析器中存在越界读取，可能导致指针前进超出验证字节范围。
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-2026-48682
| # | POC Description | Source Link | Shenlong Link |
|---|
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Patches & Fixes for CVE-2026-48682 (1)
Security Blog Posts for CVE-2026-48682 (1)
Other References for CVE-2026-48682 (1)
Same Patch Batch · n/a · 2026-06-02 · 16 CVEs total
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| CVE-2026-10606 | 7.3 HIGH | DedeCMS Feedback feedback.php TrimMsg sql injection |
| CVE-2026-10581 | 6.3 MEDIUM | DedeCMS download.php base64_decode server-side request forgery |
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| CVE-2026-35718 | Vivotek VIVOTEK FD8136-VVTK 安全漏洞 | |
| CVE-2026-38978 | Transmission 安全漏洞 | |
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| CVE-2026-30649 | Vivotek VIVOTEK FD8136-VVTK 安全漏洞 | |
| CVE-2026-30650 | Vivotek FD8136 安全漏洞 | |
| CVE-2026-38967 | Crow 安全漏洞 | |
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IV. Related Vulnerabilities
V. Comments for CVE-2026-48682
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