High severity8.8NVD Advisory· Published Sep 22, 2025· Updated Jun 17, 2026

CVE-2025-10815

Description

A vulnerability was identified in Tenda AC20 up to 16.03.08.12. Affected by this issue is the function strcpy of the file /goform/SetPptpServerCfg of the component HTTP POST Request Handler. Such manipulation of the argument startIp leads to buffer overflow. The attack can be launched remotely. The exploit is publicly available and might be used.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

Tenda/Ac20 Firmware
cpe:2.3:o:tenda:ac20_firmware:*:*:*:*:*:*:*:*
Range: <=16.03.08.12
Tenda/Ac20llm-fuzzy2 versions
<=16.03.08.12+ 1 more
- (no CPE)range: <=16.03.08.12
- (no CPE)range: 16.03.08.0

Patches

Vulnerability mechanics

References

vuldb.comnvdThird Party AdvisoryVDB Entry
vuldb.comnvdThird Party AdvisoryVDB Entry
vuldb.comnvdPermissions RequiredVDB Entry
www.tenda.com.cnnvdProduct

News mentions

No linked articles in our index yet.

Severity

HighCVSS v3.1

8.8/ 10

CVSS v47.4

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/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:X

Attack vector: Network
Complexity: Low
Privileges: Low
User interaction: None
Scope: Unchanged
Confidentiality: High
Integrity: High
Availability: High

Vector

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

Affected

Source repo: github.com/Juana-2u/Tenda-AC20

EPSS

Probability of exploitation in the next 30 days.

0.77%

VYPR risk score

Composite of severity, exploitation, and reach.

0.57high

cvss	0.572
epss	0.001
exploit	0.000
kev	0.000
patch	0.000
ransomware	0.000

Weaknesses

CWE-119
Improper Restriction of Operations within the Bounds of a Memory Buffer
CWE-120
Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')

CVE ID

CVE-2025-10815

Credits

J(
Juana_2u (VulDB User)
reporter