PT-2026-26945 · D Link+1 · Dir-513+1

Ltzhust2 · Published 2026-03-21 · Updated 2026-03-23 · CVE-2026-4555

Positive Technologies · (AI Summary)

CVSS v2.0

9.0

High

AV:N/AC:L/Au:S/C:C/I:C/A:C

Name of the Vulnerable Software and Affected Versions D-Link DIR-513 version 1.10

Description A weakness exists in D-Link DIR-513 version 1.10. The issue is related to a stack-based buffer overflow in the formEasySetTimezone function within the boa component, specifically in the file /goform/formEasySetTimezone. Manipulation of the curTime argument triggers this overflow. The attack can be initiated remotely, and a public exploit is available. This vulnerability affects products that are no longer supported by the maintainer.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

Stack Overflow

Buffer Overflow

Weakness Enumeration

CWE-121

CWE-119

Related Identifiers

CVE-2026-4555

Affected Products

Dir-513

Boa

References · 14

• 🔥 https://github.com/Litengzheng/vul_db/blob/main/Dir513/vul_24/README.md · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2026-4555 · Security Note
• https://twitter.com/ptdbugs/status/2035799136172216641 · Twitter Post
• https://twitter.com/cyberbivash/status/2035805187344838687 · Twitter Post
• https://twitter.com/vuldb/status/2035406230546739446 · Twitter Post
• https://vuldb.com/?submit.774936 · Note
• https://twitter.com/TheHackerWire/status/2035809520321208582 · Twitter Post
• https://vuldb.com/?ctiid.352382 · Note
• https://twitter.com/CVEnew/status/2035992499831869465 · Twitter Post
• https://twitter.com/CveFindCom/status/2035766477211533665 · Twitter Post
• https://dlink.com · Note
• https://twitter.com/RedPacketSec/status/2035957484418916476 · Twitter Post
• https://vuldb.com/?id.352382 · Note
• https://reddit.com/r/pwnhub/comments/1s0s6q0/critical_dlink_dir513_vulnerability_exposes_users · Reddit Post