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Critical severity · published May 5, 2026
CVE-2026-7853
D-Link DI-8100 HTTP auto_reboot.asp sprintf buffer overflow
9.8
CVSS
1.5%
EPSS
No
On KEV
Description
A weakness has been identified in D-Link DI-8100 16.07.26A1. Affected is the function sprintf of the file /auto_reboot.asp of the component HTTP Handler. This manipulation of the argument enable/time causes buffer overflow. It is possible to initiate the attack remotely. The exploit has been made available to the public and could be used for attacks.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.5% · higher than 74% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
DI
DI-8100 · D-Link
16.07.26A1 · source: vendor
DF
Di-8100 Firmware · Dlink
16.07.26a1 · source: NVD
Affected product
DI
DI-8100
D-Link
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-7853
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-7853
Exploit
https://github.com/draw-ctf/report/blob/main/DI-8100/auto_reboot_asp_overflow.md
Third Party Advisory
https://vuldb.com/submit/807837
Third Party Advisory
https://vuldb.com/vuln/361130
Permissions Required
https://vuldb.com/vuln/361130/cti
Product
https://www.dlink.com/
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