CVE-2025-34058
Official description Straight from the sourceThe vendor's or NVD's own wording, published unedited. Authoritative, but often terse — it says what broke, rarely what to do.
NVD · uneditedHikvision Streaming Media Management Server v2.3.5 uses default credentials that allow remote attackers to authenticate and access restricted functionality. After authenticating with these credentials, an attacker can exploit an arbitrary file read vulnerability in the /systemLog/downFile.php endpoint via directory traversal in the fileName parameter. This exploit chain can enable unauthorized access to sensitive system files.
Technical summary Written by usOur analysis, written from the advisory, the CVSS vector and the affected-version data. It adds context the advisory leaves out, and never invents facts that are not in the source.
dbcve analysis · high confidenceHikvision Streaming Media Management Server v2.3.5 ships with default credentials that permit remote attackers to authenticate to the system. Once authenticated, attackers can exploit a directory traversal vulnerability in the /systemLog/downFile.php endpoint via the fileName parameter to read arbitrary files from the filesystem, potentially exposing sensitive configuration or system data.
Verify against the referenced sources before acting — the references below are authoritative for this CVE, this summary is not.
CVSS breakdown How the score is builtThe industry scoring standard. It rates how the flaw is reached, what it takes to exploit, and what an attacker gains — the score is derived from those, not the other way round.
From the vector- Attack vector
- Network
- Complexity
- Low
- Privileges
- None
- Authentication
- X
- User interaction
- None
- Scope
- X
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Am I affected? How to checkSteps we derive from the advisory and the affected-version data, so you can decide whether this CVE reaches your setup. They are a guide, not a scan — your own configuration is the authority.
dbcve checksWork through these to decide whether this CVE applies to you.
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Identify the installed version of Hikvision Streaming Media Management ServerAccess the server's admin interface or check the application's about/version page. Typically found under System > System Info or by querying the web service endpoint. Alternatively, check the installation directory for version files or review the HTTP Server header if exposed.Affected if The installed version matches v2.3.5 specifically, as this version ships with default credentials.
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Verify if default credentials are still activeAttempt to authenticate to the web interface using the known default credentials for this product (consult product documentation for the specific default username/password pairs). Common Hikvision defaults include admin/admin or admin/12345, though the exact defaults for v2.3.5 should be verified against release notes.Affected if Authentication succeeds with any default credential pair, indicating the system shipped with or still uses default credentials.
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Confirm the vulnerable endpoint is accessibleSend an HTTP GET request to /systemLog/downFile.php on the affected server. For example: GET /systemLog/downFile.php?fileName=test.log. Check if the endpoint returns a response or error message indicating the file download functionality exists.Affected if The endpoint responds, indicating the vulnerable file download functionality is present and exposed.
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Test for directory traversal on the fileName parameterSend a crafted request such as GET /systemLog/downFile.php?fileName=../../../../etc/passwd (or a Windows equivalent) and observe if the response contains content from files outside the intended directory. A successful traversal would return system file contents.Affected if The application returns file contents from paths outside the intended log directory, confirming the directory traversal vulnerability is exploitable.
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Determine if the management interface is exposed to untrusted networksReview firewall rules, network ACLs, or reverse proxy configurations to determine if the Hikvision management port (typically 80/443 or a custom web port) is accessible from the internet or untrusted internal networks.Affected if The management interface is reachable from untrusted networks, enabling remote attackers to exploit both the default credential and directory traversal issues.
A user is affected if the Hikvision Streaming Media Management Server is version 2.3.5 (or retains default credentials), has the /systemLog/downFile.php endpoint exposed, and is accessible from a network where untrusted actors can reach it.
Generated from the published advisory. Verify against your own configuration.
Remediation Closing itWhat it takes to close this. Where a vendor fix exists we point at it; where none exists we say so plainly, and can build one. Effort estimates are scoped from the advisory, not from your codebase.
From vendor dataImmediately change or disable default credentials and implement strict input validation with allowlist-based path sanitization on the fileName parameter in the downFile.php endpoint to prevent directory traversal attacks.
- Consultation3.0 h
- Implementation6.0 h
- Testing5.0 h
- Review / QA2.0 h
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Free · runs locallyCheck whether your project pulls in CVE-2025-34058 — or any other known-vulnerable package — straight from your lock files. Free and open source; it runs locally and uploads nothing.
References Go to the primary sourcePrimary sources — vendor advisories, patches and trackers. Where our summary and a reference disagree, the reference wins.
Primary sourcesPractitioner notes
ContributedPeer-ranked notes from engineers who’ve handled CVE-2025-34058 in production — separate from our analysis above.
The advisory tells you what broke. It rarely tells you what actually worked. If you’ve dealt with this one, that detail is what the next engineer is searching for.
- The version that genuinely resolved it — not the one the vendor claimed
- A config change or rule that shut the vector down
- A gotcha in the upgrade path that cost you an afternoon
No notes yet
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- Verified mitigations, workarounds, and config changes
- Version or environment caveats, and links to real fixes
- No weaponised exploit code, or anything meant to cause harm
- No spam, self-promotion, credentials, or personal data