CVE-2026-7248: d-link di-8100
CVSS: 10.0v2.0HighAnalyzed
Published 28-04-2026Last modified 29-04-2026
Vulnerability summary
CVE-2026-7248 is a high (CVSS 10.0) vulnerability in d-link di-8100. EPSS estimates a 3.78% chance of exploitation in the next 30 days, higher than 89.8% of scored vulnerabilities. 1 public exploit is recorded.
CVSS score
10.0/10
010
High · v2.0 (CVE.org)EPSS score
3.78%
0%100%
Low · +1.63 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits1github
Timeline
- 28-04-2026PublishedVulnerability first disclosed.
- 29-04-2026Last modifiedVulnerability information updated.
Description
A vulnerability was found in D-Link DI-8100 16.07.26A1. This affects the function tgfile_htm of the file tgfile.htm of the component CGI Endpoint. The manipulation of the argument fn results in buffer overflow. The attack can be executed remotely. The exploit has been made public and could be used.
CVSS metrics
7 scores · 2 sources · 4 versionsCritical 9.3Preferred score · CVE.org (CNA)
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:PSources2 sources · 8.9–9.3
- NVDNIST8.9HighCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:XDiffers
Critical 9.8Preferred score · CVE.org (CNA)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:RSources2 sources · 9.4–9.8
- NVDNIST9.4CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:HDiffers
Critical 9.8Preferred score · CVE.org (CNA)
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:RSourcesSingle source
High 10.0Preferred score · CVE.org (CNA)
AV:N/AC:L/Au:N/C:C/I:C/A:C/E:POC/RL:ND/RC:URSourcesAll 2 agree
- NVDNIST10.0HighAV:N/AC:L/Au:N/C:C/I:C/A:C
EPSS trend
Probability
3.78%
Chance of exploitation in the next 30 days
Percentile
90%
Versus all other CVEs
30-day change
+1.63 pp
From 2.15% on 19-09-2026
19-09-202619-10-2026
EPSS score3.78%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
1 foundReport
Maturity: poc
Weaknesses
CWE · root cause- CWE-119Improper Restriction of Operations within the Bounds of a Memory BufferThe product performs operations on a memory buffer, but it reads from or writes to a memory location outside the buffer's intended boundary. This may result in read or write operations on unexpected memory locations that could be linked to other variables, data structures, or internal program data.
- CWE-120Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')The product copies an input buffer to an output buffer without verifying that the size of the input buffer is less than the size of the output buffer.
Affected systems
D-link1 product
- di-810016.07.26A1
Dlink1 product
- di-8100_firmware16.07.26a1
2 vendors · 2 products
References
5 links- github.com/draw-ctf/report/blob/main/DI-8100/DI-8100_tgfile_htm_overflow.mdExploitThird Party Advisory
- www.dlink.comProduct