CVE-2026-40535
Quick assessment
Affected
Synology DiskStation Manager (DSM)
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.
An improper limitation of a pathname to a restricted directory ('path traversal') vulnerability in Desktop API in Synology DiskStation Manager (DSM) before 7.2.1-69057-10, 7.2.2-72806-7 and 7.3.2-86009-2 allows remote attackers to write limited files and condu
Possible ATT&CK Techniques 1 AI
T1106 · Native API
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I. Basic Information for CVE-2026-40535
Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
An improper limitation of a pathname to a restricted directory ('path traversal') vulnerability in Desktop API in Synology DiskStation Manager (DSM) before 7.2.1-69057-10, 7.2.2-72806-7 and 7.3.2-86009-2 allows remote attackers to write limited files and conduct limited denial-of-service attacks.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
对路径名的限制不恰当(路径遍历)
Source: CVE Program / CVE List V5
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| Synology | DiskStation Manager (DSM) | 7.3 ~ 7.3.2-86009-2 | - |
|
II. Public POCs for CVE-2026-40535
| # | POC Description | Source Link | Shenlong Link |
|---|
AI-Generated POC
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Other References for CVE-2026-40535 (1)
-
Synology_SA_26_06 | Synology Inc. vendor-advisory
Same Patch Batch · Synology · 2026-09-18 · 19 CVEs total
| CVE-2026-13684 | 9.8 CRITICAL | Synology DSM SCGI不当编码致任意文件读写 |
| CVE-2026-13639 | 9.8 CRITICAL | 群晖DSM多版本登录熵不足漏洞 |
| CVE-2026-13673 | 8.8 HIGH | 群晖DSM低版本LDAP权限漏洞致任意文件读写 |
| CVE-2026-6205 | 8.1 HIGH | 群晖DSM上传API文件名控制致任意文件写入 |
| CVE-2026-40530 | 8.0 HIGH | 群晖DSM特定版本User API CRLF注入漏洞 |
| CVE-2026-40539 | 7.1 HIGH | Synology DSM Email API证书验证漏洞 |
| CVE-2026-40532 | 6.5 MEDIUM | Synology DSM强制浏览漏洞致信息泄露 |
| CVE-2026-4036 | 6.5 MEDIUM | 群晖DSM低版本Sharing API SQL注入致文件获取 |
| CVE-2026-40534 | 5.4 MEDIUM | Synology DSM Video API XSS漏洞 |
| CVE-2026-13635 | 5.3 MEDIUM | 群晖DSM Auth API输出转义缺陷 |
| CVE-2026-40533 | 5.3 MEDIUM | 群晖DSM 7.x敏感信息泄露漏洞 |
| CVE-2026-13623 | 4.8 MEDIUM | 群晖DSM多版本主题API XSS漏洞 |
| CVE-2026-40531 | 4.3 MEDIUM | Synology DSM文件操作整数溢出DoS漏洞 |
| CVE-2026-40536 | 4.3 MEDIUM | 群晖DSM Audio API路径遍历漏洞 |
| CVE-2026-40537 | 4.3 MEDIUM | 群晖DSM PersonMail API SSRF漏洞 |
| CVE-2026-40538 | 3.7 LOW | Synology DSM 7.3.2前认证限制不当致文件读取 |
| CVE-2026-13666 | 3.5 LOW | 群晖DSM共享API CRLF注入致文件写入漏洞 |
| CVE-2026-13683 | 2.7 LOW | 群晖DSM EventScheduler API SQL注入漏洞 |
IV. Related Vulnerabilities
Same weakness: CWE-22
-
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V. Comments for CVE-2026-40535
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