Security readout for executives and security teams
Plain-English summary
CVE-2023-25105 affects Milesight UR32L v32.3.0.5. A high-privileged attacker can send a crafted HTTP request that may cause code execution on the device. This is serious where UR32L administration is reachable by many users or exposed across operational networks.
Executive priority
Treat this as high priority for environments using Milesight UR32L v32.3.0.5. The privilege requirement lowers broad attack likelihood, but successful abuse could compromise the device and affect connected operations.
Technical view
Talos reports a stack-based buffer overflow in the vtysh_ubus binary caused by unsafe sprintf use. This issue is in set_ike_profile handling of the secrets_remote variable. CVSS 3.1 is 7.2, with network access, low complexity, high privileges, and high confidentiality, integrity, and availability impact.
Likely exposure
Exposure is limited to Milesight UR32L devices running v32.3.0.5, especially where the HTTP management surface is reachable by high-privileged accounts. The source bundle does not identify other affected versions or products.
Exploitation context
The provided sources describe arbitrary code execution through specially crafted HTTP requests by an attacker with high privileges. The CVE is not marked KEV, and the bundle provides no evidence of active exploitation in the wild.
Researcher notes
The evidence names a specific overflow location: vtysh_ubus, set_ike_profile, secrets_remote, unsafe sprintf. The bundle does not include a vendor fix, broader version range, or exploitation telemetry, so avoid expanding scope beyond UR32L v32.3.0.5.
Mitigation direction
- Identify all Milesight UR32L devices and firmware versions.
- Prioritize any UR32L running v32.3.0.5 for vendor guidance review.
- Restrict HTTP management access to trusted administrative networks.
- Limit high-privileged accounts and review administrative access paths.
- Monitor vendor and Talos advisories for confirmed fixed firmware.
Validation and detection
- Confirm whether UR32L v32.3.0.5 exists in asset inventory.
- Verify management HTTP interfaces are not internet-exposed.
- Review privileged account assignments for UR32L administration.
- Check logs for unusual high-privileged HTTP management activity.
- Document whether vendor fixed firmware is available and deployed.
Public sources used
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
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
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CWE-121: Exact CWE lookup
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Open ATT&CK lookupExecution behavior lookup
The CVE wording references code or command execution, so execution technique review may help defensive triage. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.
Open ATT&CK lookupCVE-2023-25105 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
Open ATT&CK lookup- Severity
- High
- CVSS
- 7.2 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
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.
CVSS vector scores
1 official scoreWe 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.
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H1.25.9Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
7.2HighVector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Source materials
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.
Stack-based Buffer Overflow
Stack-based Buffer Overflow represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.