CVE-2026-7853

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 v3.1 Score

9.8

CRITICAL

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS — Exploit Prediction

0.0013

Probability of exploitation

0.32%

Percentile rank

EPSS estimates the probability that this vulnerability will be exploited in the wild within the next 30 days. A higher score means more likely to be exploited.

Weakness Type (CWE)

CWE-119 Buffer Overflow

CWE-120 CWE-120

Affected Products

Vendor	Product	Versions
dlink	di-8100_firmware	All
dlink	di-8100	All

References

Exploits

https://github.com/draw-ctf/report/blob/main/DI-8100/auto_reboot_asp_overflow.md

Other References

https://vuldb.com/submit/807837 https://vuldb.com/vuln/361130 https://vuldb.com/vuln/361130/cti https://www.dlink.com/

Frequently Asked Questions

What is CVE-2026-7853? +

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. It has a CVSS v3.1 base score of 9.8 (CRITICAL).

How severe is CVE-2026-7853? +

CVE-2026-7853 has a CVSS v3.1 score of 9.8 out of 10, rated CRITICAL. This is a critical vulnerability that should be patched immediately. The EPSS score is 0.0013, placing it in the 0th percentile for exploitation probability.

What products are affected by CVE-2026-7853? +

CVE-2026-7853 affects products from dlink, specifically: di-8100, di-8100_firmware. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2026-7853? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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