CVE-2026-15579

UNKNOWN 0.0

CVSS Score

0.0

EPSS Score

0.0%

EPSS Percentile

0th

An out-of-bounds write vulnerability exists in some of the Ethernet switches because of improper validation of the username field length during Web login processing. This may allow a remote attacker to submit a specially crafted overly long input, triggering a buffer overflow that can cause the authentication process to crash and result in a Denial of Service (DoS) attack.

CWE	CWE-787
Vendor	moxa
Product	tn-4500b series
Published	Sep 18, 2026
Last Updated	Sep 18, 2026

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Affected Versions

Moxa / TN-4500B Series

1.0 ≤ 2.0

References

NVD ↗ CVE.org ↗ EPSS Data ↗

moxa.com: https://www.moxa.com/en/support/product-support/security-advisory/mpsa-252620-cve-2026-15579-out-of-bounds-write-vulnerability-in-ethernet-switch

Credits

Mask Lu