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CVE-2026-82479— NASA cFS SBN TCP sbn_tcp_if.c OS_read buffer overflow

Quick assessment

Affected
NASA cFS
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.

NASA cFS是美国NASA政府部门开源的一套航天飞行器核心软件框架。 NASA cFS 7.0.1及之前版本存在缓冲区错误漏洞，该漏洞源于SBN TCP Module组件的OS_read函数对参数MsgSz的操作不当，导致缓冲区溢出，攻击者可通过本地网络利用该漏洞。

CVSS 6.3 · Medium EPSS 0.38% · P30

Possible ATT&CK Techniques 1 AI

T1210.003

Affected Version Matrix 2

VendorProduct Version RangeStatus
NASA cFS 7.0.0 affected
7.0.1 affected
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I. Basic Information for CVE-2026-82479

Vulnerability Information
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Vulnerability Title
NASA cFS SBN TCP sbn_tcp_if.c OS_read buffer overflow
Source: CVE Program / CVE List V5
Vulnerability Description
A vulnerability was identified in NASA cFS up to 7.0.1. Impacted is the function OS_read of the file modules/protocol/tcp/fsw/src/sbn_tcp_if.c of the component SBN TCP Module. Such manipulation of the argument MsgSz leads to buffer overflow. The attack must be carried out from within the local network. The vendor was contacted early about this disclosure but did not respond in any way.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
未进行输入大小检查的缓冲区拷贝(传统缓冲区溢出)
Source: CVE Program / CVE List V5
Vulnerability Title
NASA cFS 缓冲区错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
NASA cFS是美国NASA政府部门开源的一套航天飞行器核心软件框架。 NASA cFS 7.0.1及之前版本存在缓冲区错误漏洞，该漏洞源于SBN TCP Module组件的OS_read函数对参数MsgSz的操作不当，导致缓冲区溢出，攻击者可通过本地网络利用该漏洞。
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
NASA cFS 7.0.0 cpe:2.3:a:nasa:cfs:*:*:*:*:*:*:*:*

II. Public POCs for CVE-2026-82479

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III. Intelligence Information for CVE-2026-82479

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Vendor Advisories for CVE-2026-82479 (1)

Other References for CVE-2026-82479 (2)

Same Patch Batch · NASA · 2026-08-30 · 3 CVEs total

CVE-2026-82480 7.4 HIGH NASA cFS cFE Software Bus cfe_sb_util.c CFE_SB_GetUserDataLength integer underflow
CVE-2026-82478 7.3 HIGH NASA Trick TCP Socket JSONVariableServerThread.cpp parse_request stack-based overflow

IV. Related Vulnerabilities

Same product: cFS
Same vendor: NASA
Same weakness: CWE-120

V. Comments for CVE-2026-82479

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