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CVE Record

CVE-2018-13290: Information exposure vulnerability in SYNO.Core.ACL in Synology Router Manager (SRM) before 1.1.7-6941-2 al...

Information exposure vulnerability in SYNO.Core.ACL in Synology Router Manager (SRM) before 1.1.7-6941-2 allows remote authenticated users to determine the existence of files or obtain sensitive information of files via the file_path parameter.

MediumCVSS 4.3Not KEV-listedUpdated
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Glexia's TakeAutomated analysismoderate

Security readout for executives and security teams

Plain-English summary

This vulnerability affects older Synology Router Manager installations. An authenticated remote user could use an ACL-related request to learn whether files exist or obtain limited sensitive file information. It is not described as unauthenticated or destructive, but it can expose information that helps further compromise.

Executive priority

Treat this as a moderate-priority router management exposure. Patch during the next maintenance window, sooner if SRM is reachable by broad internal users or remote authenticated accounts.

Technical view

CVE-2018-13290 is a CWE-200 information exposure issue in SYNO.Core.ACL in Synology Router Manager before 1.1.7-6941-2. The CVSS 3.0 vector is AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N, reflecting network reachability, low attack complexity, required privileges, and confidentiality-only impact.

Likely exposure

Exposure is most likely where Synology routers run SRM versions earlier than 1.1.7-6941-2 and allow authenticated users to reach SRM management functionality over a network.

Exploitation context

The provided sources do not show CISA KEV listing or active exploitation. The vulnerability requires authenticated remote access and affects confidentiality only, based on the supplied CVSS vector and description.

Researcher notes

The bundle does not provide affected router models, CPEs, exploit maturity, or detailed patch notes. Validation should focus on SRM version, management-plane exposure, authenticated user roles, and whether sensitive file metadata could be exposed across privilege boundaries.

Mitigation direction

  • Upgrade affected SRM installations to 1.1.7-6941-2 or later.
  • Review Synology advisory Synology_SA_18_48 for vendor-specific remediation details.
  • Limit SRM management access to trusted administrative networks.
  • Remove unnecessary SRM user accounts and review account privileges.

Validation and detection

  • Inventory Synology routers and record their SRM versions.
  • Confirm no managed router runs SRM before 1.1.7-6941-2.
  • Review SRM access controls for non-administrative authenticated users.
  • Check logs for unusual authenticated access to ACL or file-path related functionality.
Prepared
Confidence
medium
Sources
3

Public sources used

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.

Potential ATT&CK relevance

Conservative CVE-to-ATT&CK context

These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.

ATT&CK lookup starting points

Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.

cwe · medium confidence lookup

CWE-200: Information exposure and cloud metadata lookup

Information exposure and SSRF weaknesses can make discovery, cloud metadata, and credential material review relevant. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.

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cve · low confidence lookup

CVE-2018-13290 mapping review

Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.

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Vulnerability profileCVE Program record
Severity
Medium
CVSS
4.3 (3.0)
Known Exploited
No
Published

Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N

Official CVE source material

CNA and ADP enrichment extracted from CVE v5

These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.

1CVSS vectors
0Timeline events
0ADP providers
2Source links

CVSS vector scores

1 official score

We collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.

ScoreVersionSeverityVectorExploitImpactSource
4.3CVSS 3.0MediumCVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N2.81.4Primary CVE score

Vulnerability scoring details

Base CVSS 3.0 score

4.3Medium
CVSS 3.0 vector shape for CVE-2018-13290Attack VectorAttack ComplexityPrivileges RequiredUser InteractionScopeConfidentiality ImpactIntegrity ImpactAvailability Impact

Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N

Attack Vector
NetworkAdjacentLocalPhysical
Attack Complexity
LowHigh
Privileges Required
NoneLowHigh
User Interaction
NoneRequired
Scope
ChangedUnchanged
Confidentiality Impact
HighLowNone
Integrity Impact
HighLowNone
Availability Impact
HighLowNone

Source materials

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus
SynologySynology Router Manager (SRM)unspecifiedListed
Weakness

CWE details

CWE-200

CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.

CWE-200 · source CWE mapping

Exposure of Sensitive Information to an Unauthorized Actor

Exposure of Sensitive Information to an Unauthorized Actor represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.

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