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CVE-2025-28136

20
FAUCET Score

CVE-2025-28136 is a buffer overflow vulnerability in the downloadFile.cgi component of TOTOLINK A800R V4.1.2cu.5137_B20200730 firmware. This vulnerability carries a CVSS score of 6.5 (Medium), indicating it can be exploited remotely without authentication or user interaction, potentially leading to information disclosure or integrity compromise. There is currently no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
4.1.2cu.5137_b20200730CPE matchmatch criteria
cpe:2.3:o:totolink:a800r_firmware:4.1.2cu.5137_b20200730:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

6.5MEDIUM

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
LOW
Integrity Impact
LOW
Availability Impact
NONE
Exploitability Score
3.9
Impact Score
2.5
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.29%
Probability of exploitation in next 30 days
EPSS Percentile
21.3%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0029 is in the 11th percentile among its peer group of 23,723 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

github.com / Zerone0x00/CVE/blob/main/TOTOLINK/CVE-2025-28136.md
Third Party Advisory
sudsy-eyeliner-a59.notion.site / BufferOverflow-V4-1-2cu-5137_B20200730-19872b8cd95f80cf8df9f3abcb912554
Third Party Advisory