CVE-2023-41350 — Chunghwa Telecom NOKIA G-040W-Q has a vulnerability of insufficient measures to

Chunghwa Telecom NOKIA G-040W-Q has a vulnerability of insufficient measures to prevent multiple failed authentication attempts. An unauthenticated remote attacker can execute a crafted Javascript to expose captcha in page, making it very easy for bots to bypass the captcha check

01What is this vulnerability?

Chunghwa Telecom NOKIA G-040W-Q has a vulnerability of insufficient measures to prevent multiple failed authentication attempts. An unauthenticated remote attacker can execute a crafted Javascript to expose captcha in page, making it very easy for bots to bypass the captcha check and more susceptible to brute force attacks.

02Affected products

Vendor	Product	Versions
Chunghwa Telecom	NOKIA G	040W-Q — G040WQR201207

03Active exploitation status

Not currently listed on the CISA Known Exploited Vulnerabilities (KEV) catalog. EPSS is the best forward-looking signal — see the EPSS row above.

04Recommended remediation

• Patch to a fixed version listed in the vendor advisory (see references below).
• Mitigate with WAF rules, network egress filters, or feature flags where the patch is not yet available.
• Hunt historical logs for exploitation indicators — see Detection signatures below.

05Technical details

For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.

06Detection signatures

Open the Sigma generator with a pre-filled prompt for this CVE to draft a starting detection in your stack of choice:

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07Related CVEs

No directly-cited follow-up CVEs in the KB record for this advisory. The references list in section 09 carries the vendor cross-references.

08Timeline

• Published: 2023-11-03T04:44:04.122Z
• Last modified: 2024-09-06T19:56:30.968Z

09References

• www.twcert.org.tw — https://www.twcert.org.tw/tw/cp-132-7500-0c544-1.html