CVE-2026-31267

mediumCVSS 5.7covered by 1 sourcefirst seen 2026-07-09

Mercusys MW302R MW302R(EU)_V1_1.4.10 Build 231023 is vulnerable to Buffer Overflow in the administrative web interface. A stack buffer overflow vulnerability in the administrative web interface allows an authenticated attacker with administrative privileges to trigger a system crash by sending a specially crafted request. The vulnerability results in denial of service through control flow manipulation to an arbitrary instruction address.

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Exploitation outlook

Low exploitation risk0.16% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 6% of all EPSS-scored CVEs.

Advisory coverage (1)

mediumCVE-2026-31267: Mercusys MW302R MW302R(EU)_V1_1.4.10 Build 231023 is vulnerable to Buffer Overflow in the admi…nvd · 2026-07-09

External references

NVD record for CVE-2026-31267

CVE.org record

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