CVE-2025-48040— Malicious Key Exchange Messages may Lead to Excessive Resource Consumption
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I. Basic Information for CVE-2025-48040
Vulnerability Information
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Vulnerability Title
Malicious Key Exchange Messages may Lead to Excessive Resource Consumption
Source: NVD (National Vulnerability Database)
Vulnerability Description
Uncontrolled Resource Consumption vulnerability in Erlang OTP ssh (ssh_sftp modules) allows Excessive Allocation, Flooding. This vulnerability is associated with program files lib/ssh/src/ssh_sftpd.erl. This issue affects OTP form OTP 17.0 until OTP 28.0.3, OTP 27.3.4.3 and 26.2.5.15 corresponding to ssh from 3.0.1 until 5.3.3, 5.2.11.3 and 5.1.4.12.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
未加控制的资源消耗(资源穷尽)
Source: NVD (National Vulnerability Database)
Vulnerability Title
Erlang/OTP 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Erlang/OTP是Erlang/OTP开源的一个JavaScript编写的处理处理异常的库。该库可以捕捉node.js内置API引发的异常。 Erlang/OTP 17.0版本至28.0.3版本、27.3.4.3版本和26.2.5.15版本存在安全漏洞，该漏洞源于lib/ssh/src/ssh_sftpd.erl文件中的资源消耗不受控制，可能导致过度分配和洪水攻击。
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
II. Public POCs for CVE-2025-48040
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Same Patch Batch · Erlang · 2025-09-11 · 4 CVEs total
| CVE-2025-48039 | Unverified Paths can Cause Excessive Use of System Resources | |
| CVE-2025-48041 | SSH_FXP_OPENDIR may Lead to Exhaustion of File Handles | |
| CVE-2025-48038 | Unverified File Handles can Cause Excessive Use of System Resources |
IV. Related Vulnerabilities
Same product: OTP
- CVE-2026-32147
SFTP chroot bypass via path traversal in SSH_FXP_FSETSTAT - CVE-2026-28808
ScriptAlias CGI targets bypass directory auth in inets httpd - CVE-2026-32144
OCSP designated-responder authorization bypass via missing s - CVE-2026-28810
Predictable DNS Transaction IDs Enable Cache Poisoning in Bu - CVE-2026-23941
Request smuggling via first-wins Content-Length parsing in i
Same vendor: Erlang
- CVE-2026-32147
SFTP chroot bypass via path traversal in SSH_FXP_FSETSTAT - CVE-2026-28808
ScriptAlias CGI targets bypass directory auth in inets httpd - CVE-2026-32144
OCSP designated-responder authorization bypass via missing s - CVE-2026-28810
Predictable DNS Transaction IDs Enable Cache Poisoning in Bu - CVE-2026-23941
Request smuggling via first-wins Content-Length parsing in i
Same weakness: CWE-400
- CVE-2026-8187
Open5GS UPF gtp-path.c _gtpv1_u_recv_cb resource consumption - CVE-2026-42343
FastGPT: Uncontrolled Resource Consumption leading to Sandbo - CVE-2026-42212
SolidCAM-GPPL-IDE: XML External Entity (XXE) and billion-lau - CVE-2026-32686
Unbounded exponent in decimal enables unauthenticated DoS - CVE-2026-20188
Cisco Crosswork Network Controller and Cisco Network Service
V. Comments for CVE-2025-48040
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