CVE-2026-90693

Summary

A flaw has been found in D-Link DIR-878 120B05. This impacts the function SetWan3Settings of the component WAN Settings. This manipulation of the argument Primary/Secondary causes stack-based buffer overflow. Remote exploitation of the attack is possible.

Affected Software

Weaknesses

• CWE-121: Stack-based Buffer Overflow
• CWE-119: Memory Corruption

ADP Enrichment

CISA ADP Vulnrichment

• SSVC:
• Exploitation: poc
  • Automatable: no
  • Technical Impact: total

Additional References

• https://github.com/Amalll-Sec/router-vulnerability-research/blob/main/advisories/d-link/dir-878/SetWan3Settings/README.md

References

• https://vuldb.com/vuln/403226
• https://vuldb.com/vuln/403226/cti
• https://vuldb.com/cve/CVE-2026-90693
• https://vuldb.com/submit/915573
• https://github.com/Amalll-Sec/router-vulnerability-research/blob/main/advisories/d-link/dir-878/SetWan3Settings/README.md
• https://www.dlink.com/

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