LiveActive security incident?Get immediate response
CVE Record

CVE-2021-36708: In ProLink PRC2402M V1.0.18 and older, the set_sys_init function in the login.cgi binary allows an attacker...

In ProLink PRC2402M V1.0.18 and older, the set_sys_init function in the login.cgi binary allows an attacker to reset the password to the administrative interface of the router.

UnknownCVSS not scoredNot KEV-listedUpdated
Glexia's TakeAutomated analysishigh

Security readout for executives and security teams

Plain-English summary

This CVE affects ProLink PRC2402M routers running V1.0.18 or older. The reported flaw can let an attacker reset the administrative interface password, which could lead to loss of router control if the management interface is reachable.

Executive priority

Prioritize quickly if these routers manage business connectivity or are internet-exposed. The issue can affect administrative control, but urgency depends on whether the affected model and firmware exist in your environment.

Technical view

The public CVE states that the set_sys_init function in the login.cgi binary permits administrative password reset on affected ProLink PRC2402M firmware. The source bundle provides no CVSS score, CWE, patch version, or vendor remediation detail.

Likely exposure

Exposure is most likely for organizations still using ProLink PRC2402M routers on V1.0.18 or older, especially where the administrative interface is accessible from untrusted networks. The CVE record does not provide CPEs or broader affected-product metadata.

Exploitation context

CISA KEV status is false in the supplied bundle, and no provided source states active exploitation. A public vulnerability write-up is referenced, so defenders should assume technical details may be available, but exploit use in the wild is not evidenced here.

Researcher notes

Evidence is limited to the CVE description and the referenced public write-up. The bundle lacks CVSS, CWE, CPE, exploit confirmation, and remediation details. Avoid expanding scope beyond PRC2402M V1.0.18 and older without vendor evidence.

Mitigation direction

  • Identify any ProLink PRC2402M routers and record firmware versions.
  • Check ProLink or device supplier guidance for fixed firmware or replacement advice.
  • Restrict administrative access to trusted management networks only.
  • Remove administrative interfaces from direct internet exposure.
  • Rotate administrative credentials after remediation or device replacement.

Validation and detection

  • Confirm whether any deployed PRC2402M device runs V1.0.18 or older.
  • Verify administrative interfaces are unreachable from the public internet.
  • Review recent router configuration changes and password reset activity.
  • Confirm compensating access controls are enforced on management paths.
  • Track vendor guidance because the supplied sources do not name a fix.
Prepared
Confidence
medium
Sources
3

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.

description · low confidence lookup

Credential and access behavior lookup

The CVE wording references authentication or credential exposure, so valid-account and credential-access review may help. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.

Open ATT&CK lookup
cve · low confidence lookup

CVE-2021-36708 mapping review

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

Open ATT&CK lookup
Vulnerability profileCVE Program record
Severity
Unknown
CVSS
Not scored
Known Exploited
No
Published
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.

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

CVSS and timeline data

No CVSS vectors or timeline events were available in the normalized CVE source material.

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus
n/an/an/aListed
Weakness

CWE details

No CWE listed

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